Home / 57,746.95-86,614.75-39,146.47

Finding the Fourth Proportional to 57,746.95, 86,614.75 and 39,146.47

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Solution

The fourth proportional to 57,746.95, 86,614.75 and 39,146.47 is: 58,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,746.95 : 86,614.75 = 39,146.47 : x
  2. Step 2: Convert to fraction form
    57,746.95/86,614.75 = 39,146.47/x
  3. Step 3: Cross multiply
    57,746.95x = 86,614.75 × 39,146.47
  4. Step 4: Simplify right side
    57,746.95x = 3,390,661,712.43
  5. Step 5: Solve for x
    x = 3,390,661,712.43/57,746.95
  6. Step 6: Final answer
    x = 58,715.86

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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.