Home / 42,405.10-63,565.80-23,694.10

Finding the Fourth Proportional to 42,405.10, 63,565.80 and 23,694.10

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Solution

The fourth proportional to 42,405.10, 63,565.80 and 23,694.10 is: 35,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,405.10 : 63,565.80 = 23,694.10 : x
  2. Step 2: Convert to fraction form
    42,405.10/63,565.80 = 23,694.10/x
  3. Step 3: Cross multiply
    42,405.10x = 63,565.80 × 23,694.10
  4. Step 4: Simplify right side
    42,405.10x = 1,506,134,421.78
  5. Step 5: Solve for x
    x = 1,506,134,421.78/42,405.10
  6. Step 6: Final answer
    x = 35,517.77

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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.