Home / 40,724.28-56,141.69-29,950.11

Finding the Fourth Proportional to 40,724.28, 56,141.69 and 29,950.11

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Solution

The fourth proportional to 40,724.28, 56,141.69 and 29,950.11 is: 41,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,724.28 : 56,141.69 = 29,950.11 : x
  2. Step 2: Convert to fraction form
    40,724.28/56,141.69 = 29,950.11/x
  3. Step 3: Cross multiply
    40,724.28x = 56,141.69 × 29,950.11
  4. Step 4: Simplify right side
    40,724.28x = 1,681,449,641.34
  5. Step 5: Solve for x
    x = 1,681,449,641.34/40,724.28
  6. Step 6: Final answer
    x = 41,288.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.