Home / 24,451.47-33,657.39-21,302.19

Finding the Fourth Proportional to 24,451.47, 33,657.39 and 21,302.19

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Solution

The fourth proportional to 24,451.47, 33,657.39 and 21,302.19 is: 29,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,451.47 : 33,657.39 = 21,302.19 : x
  2. Step 2: Convert to fraction form
    24,451.47/33,657.39 = 21,302.19/x
  3. Step 3: Cross multiply
    24,451.47x = 33,657.39 × 21,302.19
  4. Step 4: Simplify right side
    24,451.47x = 716,976,116.68
  5. Step 5: Solve for x
    x = 716,976,116.68/24,451.47
  6. Step 6: Final answer
    x = 29,322.41

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Half scale
Find fourth proportional to 48,902.94, 67,314.78 and 42,604.38
Double scale
Find fourth proportional to 24,452.47, 33,658.77 and 21,303.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.