Home / 57,173.30-85,760.14-14,478.71

Finding the Fourth Proportional to 57,173.30, 85,760.14 and 14,478.71

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Solution

The fourth proportional to 57,173.30, 85,760.14 and 14,478.71 is: 21,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,173.30 : 85,760.14 = 14,478.71 : x
  2. Step 2: Convert to fraction form
    57,173.30/85,760.14 = 14,478.71/x
  3. Step 3: Cross multiply
    57,173.30x = 85,760.14 × 14,478.71
  4. Step 4: Simplify right side
    57,173.30x = 1,241,696,134.67
  5. Step 5: Solve for x
    x = 1,241,696,134.67/57,173.30
  6. Step 6: Final answer
    x = 21,718.11

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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.