Home / 43,329.91-64,998.56-12,165.16

Finding the Fourth Proportional to 43,329.91, 64,998.56 and 12,165.16

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Solution

The fourth proportional to 43,329.91, 64,998.56 and 12,165.16 is: 18,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,329.91 : 64,998.56 = 12,165.16 : x
  2. Step 2: Convert to fraction form
    43,329.91/64,998.56 = 12,165.16/x
  3. Step 3: Cross multiply
    43,329.91x = 64,998.56 × 12,165.16
  4. Step 4: Simplify right side
    43,329.91x = 790,717,882.17
  5. Step 5: Solve for x
    x = 790,717,882.17/43,329.91
  6. Step 6: Final answer
    x = 18,248.78

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1.5x scale

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.