Home / 57,112.71-85,689.56-25,520.13

Finding the Fourth Proportional to 57,112.71, 85,689.56 and 25,520.13

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Solution

The fourth proportional to 57,112.71, 85,689.56 and 25,520.13 is: 38,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.71 : 85,689.56 = 25,520.13 : x
  2. Step 2: Convert to fraction form
    57,112.71/85,689.56 = 25,520.13/x
  3. Step 3: Cross multiply
    57,112.71x = 85,689.56 × 25,520.13
  4. Step 4: Simplify right side
    57,112.71x = 2,186,808,583.24
  5. Step 5: Solve for x
    x = 2,186,808,583.24/57,112.71
  6. Step 6: Final answer
    x = 38,289.35

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1.5x scale

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.