Home / 43,646.78-65,379.35-42,141.17

Finding the Fourth Proportional to 43,646.78, 65,379.35 and 42,141.17

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Solution

The fourth proportional to 43,646.78, 65,379.35 and 42,141.17 is: 63,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,646.78 : 65,379.35 = 42,141.17 : x
  2. Step 2: Convert to fraction form
    43,646.78/65,379.35 = 42,141.17/x
  3. Step 3: Cross multiply
    43,646.78x = 65,379.35 × 42,141.17
  4. Step 4: Simplify right side
    43,646.78x = 2,755,162,302.84
  5. Step 5: Solve for x
    x = 2,755,162,302.84/43,646.78
  6. Step 6: Final answer
    x = 63,124.07

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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.