Home / 40,292.78-60,439.10-10,710.62

Finding the Fourth Proportional to 40,292.78, 60,439.10 and 10,710.62

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Solution

The fourth proportional to 40,292.78, 60,439.10 and 10,710.62 is: 16,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,292.78 : 60,439.10 = 10,710.62 : x
  2. Step 2: Convert to fraction form
    40,292.78/60,439.10 = 10,710.62/x
  3. Step 3: Cross multiply
    40,292.78x = 60,439.10 × 10,710.62
  4. Step 4: Simplify right side
    40,292.78x = 647,340,233.24
  5. Step 5: Solve for x
    x = 647,340,233.24/40,292.78
  6. Step 6: Final answer
    x = 16,065.91

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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.