Home / 52,220.39-72,064.19-28,347.05

Finding the Fourth Proportional to 52,220.39, 72,064.19 and 28,347.05

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Solution

The fourth proportional to 52,220.39, 72,064.19 and 28,347.05 is: 39,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220.39 : 72,064.19 = 28,347.05 : x
  2. Step 2: Convert to fraction form
    52,220.39/72,064.19 = 28,347.05/x
  3. Step 3: Cross multiply
    52,220.39x = 72,064.19 × 28,347.05
  4. Step 4: Simplify right side
    52,220.39x = 2,042,807,197.14
  5. Step 5: Solve for x
    x = 2,042,807,197.14/52,220.39
  6. Step 6: Final answer
    x = 39,118.96

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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.