Home / 57,277.92-85,922.46-21,264.06

Finding the Fourth Proportional to 57,277.92, 85,922.46 and 21,264.06

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Solution

The fourth proportional to 57,277.92, 85,922.46 and 21,264.06 is: 31,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,277.92 : 85,922.46 = 21,264.06 : x
  2. Step 2: Convert to fraction form
    57,277.92/85,922.46 = 21,264.06/x
  3. Step 3: Cross multiply
    57,277.92x = 85,922.46 × 21,264.06
  4. Step 4: Simplify right side
    57,277.92x = 1,827,060,344.79
  5. Step 5: Solve for x
    x = 1,827,060,344.79/57,277.92
  6. Step 6: Final answer
    x = 31,898.16

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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.