Home / 42,655.63-63,956.04-17,712.90

Finding the Fourth Proportional to 42,655.63, 63,956.04 and 17,712.90

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Solution

The fourth proportional to 42,655.63, 63,956.04 and 17,712.90 is: 26,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,655.63 : 63,956.04 = 17,712.90 : x
  2. Step 2: Convert to fraction form
    42,655.63/63,956.04 = 17,712.90/x
  3. Step 3: Cross multiply
    42,655.63x = 63,956.04 × 17,712.90
  4. Step 4: Simplify right side
    42,655.63x = 1,132,846,940.92
  5. Step 5: Solve for x
    x = 1,132,846,940.92/42,655.63
  6. Step 6: Final answer
    x = 26,557.97

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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.