Home / 62,356.94-85,991.10-38,478.55

Finding the Fourth Proportional to 62,356.94, 85,991.10 and 38,478.55

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Solution

The fourth proportional to 62,356.94, 85,991.10 and 38,478.55 is: 53,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,356.94 : 85,991.10 = 38,478.55 : x
  2. Step 2: Convert to fraction form
    62,356.94/85,991.10 = 38,478.55/x
  3. Step 3: Cross multiply
    62,356.94x = 85,991.10 × 38,478.55
  4. Step 4: Simplify right side
    62,356.94x = 3,308,812,840.91
  5. Step 5: Solve for x
    x = 3,308,812,840.91/62,356.94
  6. Step 6: Final answer
    x = 53,062.46

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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.