Home / 42,793.34-64,252.29-30,379.28

Finding the Fourth Proportional to 42,793.34, 64,252.29 and 30,379.28

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Solution

The fourth proportional to 42,793.34, 64,252.29 and 30,379.28 is: 45,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,793.34 : 64,252.29 = 30,379.28 : x
  2. Step 2: Convert to fraction form
    42,793.34/64,252.29 = 30,379.28/x
  3. Step 3: Cross multiply
    42,793.34x = 64,252.29 × 30,379.28
  4. Step 4: Simplify right side
    42,793.34x = 1,951,938,101.21
  5. Step 5: Solve for x
    x = 1,951,938,101.21/42,793.34
  6. Step 6: Final answer
    x = 45,613.13

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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.