Home / 73,780.28-110,441.32-39,962.30

Finding the Fourth Proportional to 73,780.28, 110,441.32 and 39,962.30

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Solution

The fourth proportional to 73,780.28, 110,441.32 and 39,962.30 is: 59,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,780.28 : 110,441.32 = 39,962.30 : x
  2. Step 2: Convert to fraction form
    73,780.28/110,441.32 = 39,962.30/x
  3. Step 3: Cross multiply
    73,780.28x = 110,441.32 × 39,962.30
  4. Step 4: Simplify right side
    73,780.28x = 4,413,488,510.12
  5. Step 5: Solve for x
    x = 4,413,488,510.12/73,780.28
  6. Step 6: Final answer
    x = 59,819.36

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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.