Home / 38,191.02-52,713.63-21,429.42

Finding the Fourth Proportional to 38,191.02, 52,713.63 and 21,429.42

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Solution

The fourth proportional to 38,191.02, 52,713.63 and 21,429.42 is: 29,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.02 : 52,713.63 = 21,429.42 : x
  2. Step 2: Convert to fraction form
    38,191.02/52,713.63 = 21,429.42/x
  3. Step 3: Cross multiply
    38,191.02x = 52,713.63 × 21,429.42
  4. Step 4: Simplify right side
    38,191.02x = 1,129,622,516.99
  5. Step 5: Solve for x
    x = 1,129,622,516.99/38,191.02
  6. Step 6: Final answer
    x = 29,578.22

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Half scale
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Double scale
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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.