Home / 54,329.20-81,497.85-19,264.30

Finding the Fourth Proportional to 54,329.20, 81,497.85 and 19,264.30

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Solution

The fourth proportional to 54,329.20, 81,497.85 and 19,264.30 is: 28,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.20 : 81,497.85 = 19,264.30 : x
  2. Step 2: Convert to fraction form
    54,329.20/81,497.85 = 19,264.30/x
  3. Step 3: Cross multiply
    54,329.20x = 81,497.85 × 19,264.30
  4. Step 4: Simplify right side
    54,329.20x = 1,569,999,031.76
  5. Step 5: Solve for x
    x = 1,569,999,031.76/54,329.20
  6. Step 6: Final answer
    x = 28,897.89

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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.