Home / 57,930.01-86,927.86-31,275.64

Finding the Fourth Proportional to 57,930.01, 86,927.86 and 31,275.64

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Solution

The fourth proportional to 57,930.01, 86,927.86 and 31,275.64 is: 46,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,930.01 : 86,927.86 = 31,275.64 : x
  2. Step 2: Convert to fraction form
    57,930.01/86,927.86 = 31,275.64/x
  3. Step 3: Cross multiply
    57,930.01x = 86,927.86 × 31,275.64
  4. Step 4: Simplify right side
    57,930.01x = 2,718,724,759.61
  5. Step 5: Solve for x
    x = 2,718,724,759.61/57,930.01
  6. Step 6: Final answer
    x = 46,931.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.