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Finding the Fourth Proportional to 62,271.52, 85,931.12 and 35,410.24

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Solution

The fourth proportional to 62,271.52, 85,931.12 and 35,410.24 is: 48,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,271.52 : 85,931.12 = 35,410.24 : x
  2. Step 2: Convert to fraction form
    62,271.52/85,931.12 = 35,410.24/x
  3. Step 3: Cross multiply
    62,271.52x = 85,931.12 × 35,410.24
  4. Step 4: Simplify right side
    62,271.52x = 3,042,841,582.67
  5. Step 5: Solve for x
    x = 3,042,841,582.67/62,271.52
  6. Step 6: Final answer
    x = 48,864.10

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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.