Home / 61,871.20-85,382.43-37,997.62

Finding the Fourth Proportional to 61,871.20, 85,382.43 and 37,997.62

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Solution

The fourth proportional to 61,871.20, 85,382.43 and 37,997.62 is: 52,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,871.20 : 85,382.43 = 37,997.62 : x
  2. Step 2: Convert to fraction form
    61,871.20/85,382.43 = 37,997.62/x
  3. Step 3: Cross multiply
    61,871.20x = 85,382.43 × 37,997.62
  4. Step 4: Simplify right side
    61,871.20x = 3,244,329,129.82
  5. Step 5: Solve for x
    x = 3,244,329,129.82/61,871.20
  6. Step 6: Final answer
    x = 52,436.82

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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.