Home / 62,138.72-85,753.68-35,280.53

Finding the Fourth Proportional to 62,138.72, 85,753.68 and 35,280.53

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Solution

The fourth proportional to 62,138.72, 85,753.68 and 35,280.53 is: 48,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.72 : 85,753.68 = 35,280.53 : x
  2. Step 2: Convert to fraction form
    62,138.72/85,753.68 = 35,280.53/x
  3. Step 3: Cross multiply
    62,138.72x = 85,753.68 × 35,280.53
  4. Step 4: Simplify right side
    62,138.72x = 3,025,434,851.08
  5. Step 5: Solve for x
    x = 3,025,434,851.08/62,138.72
  6. Step 6: Final answer
    x = 48,688.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.