Home / 42,874.56-64,316.10-14,790.96

Finding the Fourth Proportional to 42,874.56, 64,316.10 and 14,790.96

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Solution

The fourth proportional to 42,874.56, 64,316.10 and 14,790.96 is: 22,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,874.56 : 64,316.10 = 14,790.96 : x
  2. Step 2: Convert to fraction form
    42,874.56/64,316.10 = 14,790.96/x
  3. Step 3: Cross multiply
    42,874.56x = 64,316.10 × 14,790.96
  4. Step 4: Simplify right side
    42,874.56x = 951,296,862.46
  5. Step 5: Solve for x
    x = 951,296,862.46/42,874.56
  6. Step 6: Final answer
    x = 22,187.91

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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.