Home / 66,302.47-99,456.99-18,924.56

Finding the Fourth Proportional to 66,302.47, 99,456.99 and 18,924.56

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Solution

The fourth proportional to 66,302.47, 99,456.99 and 18,924.56 is: 28,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,302.47 : 99,456.99 = 18,924.56 : x
  2. Step 2: Convert to fraction form
    66,302.47/99,456.99 = 18,924.56/x
  3. Step 3: Cross multiply
    66,302.47x = 99,456.99 × 18,924.56
  4. Step 4: Simplify right side
    66,302.47x = 1,882,179,774.67
  5. Step 5: Solve for x
    x = 1,882,179,774.67/66,302.47
  6. Step 6: Final answer
    x = 28,387.78

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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.