Home / 57,088.64-85,641.16-17,648.83

Finding the Fourth Proportional to 57,088.64, 85,641.16 and 17,648.83

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Solution

The fourth proportional to 57,088.64, 85,641.16 and 17,648.83 is: 26,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088.64 : 85,641.16 = 17,648.83 : x
  2. Step 2: Convert to fraction form
    57,088.64/85,641.16 = 17,648.83/x
  3. Step 3: Cross multiply
    57,088.64x = 85,641.16 × 17,648.83
  4. Step 4: Simplify right side
    57,088.64x = 1,511,466,273.84
  5. Step 5: Solve for x
    x = 1,511,466,273.84/57,088.64
  6. Step 6: Final answer
    x = 26,475.78

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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.