Home / 73,780.17-110,441.18-39,962.20

Finding the Fourth Proportional to 73,780.17, 110,441.18 and 39,962.20

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Solution

The fourth proportional to 73,780.17, 110,441.18 and 39,962.20 is: 59,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,780.17 : 110,441.18 = 39,962.20 : x
  2. Step 2: Convert to fraction form
    73,780.17/110,441.18 = 39,962.20/x
  3. Step 3: Cross multiply
    73,780.17x = 110,441.18 × 39,962.20
  4. Step 4: Simplify right side
    73,780.17x = 4,413,472,752.50
  5. Step 5: Solve for x
    x = 4,413,472,752.50/73,780.17
  6. Step 6: Final answer
    x = 59,819.22

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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.