Home / 42,026.51-63,049.11-18,337.90

Finding the Fourth Proportional to 42,026.51, 63,049.11 and 18,337.90

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Solution

The fourth proportional to 42,026.51, 63,049.11 and 18,337.90 is: 27,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,026.51 : 63,049.11 = 18,337.90 : x
  2. Step 2: Convert to fraction form
    42,026.51/63,049.11 = 18,337.90/x
  3. Step 3: Cross multiply
    42,026.51x = 63,049.11 × 18,337.90
  4. Step 4: Simplify right side
    42,026.51x = 1,156,188,274.27
  5. Step 5: Solve for x
    x = 1,156,188,274.27/42,026.51
  6. Step 6: Final answer
    x = 27,510.93

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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.