Home / 40,005.14-60,007.68-10,422.90

Finding the Fourth Proportional to 40,005.14, 60,007.68 and 10,422.90

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Solution

The fourth proportional to 40,005.14, 60,007.68 and 10,422.90 is: 15,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,005.14 : 60,007.68 = 10,422.90 : x
  2. Step 2: Convert to fraction form
    40,005.14/60,007.68 = 10,422.90/x
  3. Step 3: Cross multiply
    40,005.14x = 60,007.68 × 10,422.90
  4. Step 4: Simplify right side
    40,005.14x = 625,454,047.87
  5. Step 5: Solve for x
    x = 625,454,047.87/40,005.14
  6. Step 6: Final answer
    x = 15,634.34

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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.