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Finding the Fourth Proportional to 42,670.92, 64,006.92 and 23,948.04

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Solution

The fourth proportional to 42,670.92, 64,006.92 and 23,948.04 is: 35,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670.92 : 64,006.92 = 23,948.04 : x
  2. Step 2: Convert to fraction form
    42,670.92/64,006.92 = 23,948.04/x
  3. Step 3: Cross multiply
    42,670.92x = 64,006.92 × 23,948.04
  4. Step 4: Simplify right side
    42,670.92x = 1,532,840,280.44
  5. Step 5: Solve for x
    x = 1,532,840,280.44/42,670.92
  6. Step 6: Final answer
    x = 35,922.36

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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.