Home / 57,251.40-85,877.10-15,131.40

Finding the Fourth Proportional to 57,251.40, 85,877.10 and 15,131.40

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Solution

The fourth proportional to 57,251.40, 85,877.10 and 15,131.40 is: 22,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,251.40 : 85,877.10 = 15,131.40 : x
  2. Step 2: Convert to fraction form
    57,251.40/85,877.10 = 15,131.40/x
  3. Step 3: Cross multiply
    57,251.40x = 85,877.10 × 15,131.40
  4. Step 4: Simplify right side
    57,251.40x = 1,299,440,750.94
  5. Step 5: Solve for x
    x = 1,299,440,750.94/57,251.40
  6. Step 6: Final answer
    x = 22,697.10

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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.