Home / 52,130.77-71,940.51-28,257.44

Finding the Fourth Proportional to 52,130.77, 71,940.51 and 28,257.44

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Solution

The fourth proportional to 52,130.77, 71,940.51 and 28,257.44 is: 38,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.77 : 71,940.51 = 28,257.44 : x
  2. Step 2: Convert to fraction form
    52,130.77/71,940.51 = 28,257.44/x
  3. Step 3: Cross multiply
    52,130.77x = 71,940.51 × 28,257.44
  4. Step 4: Simplify right side
    52,130.77x = 2,032,854,285.19
  5. Step 5: Solve for x
    x = 2,032,854,285.19/52,130.77
  6. Step 6: Final answer
    x = 38,995.29

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Double scale
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Similar ratio
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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.