Home / 51,560.43-77,329.50-18,281.58

Finding the Fourth Proportional to 51,560.43, 77,329.50 and 18,281.58

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Solution

The fourth proportional to 51,560.43, 77,329.50 and 18,281.58 is: 27,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,560.43 : 77,329.50 = 18,281.58 : x
  2. Step 2: Convert to fraction form
    51,560.43/77,329.50 = 18,281.58/x
  3. Step 3: Cross multiply
    51,560.43x = 77,329.50 × 18,281.58
  4. Step 4: Simplify right side
    51,560.43x = 1,413,705,440.61
  5. Step 5: Solve for x
    x = 1,413,705,440.61/51,560.43
  6. Step 6: Final answer
    x = 27,418.42

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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.