Home / 40,154.24-55,406.40-25,239.68

Finding the Fourth Proportional to 40,154.24, 55,406.40 and 25,239.68

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Solution

The fourth proportional to 40,154.24, 55,406.40 and 25,239.68 is: 34,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.24 : 55,406.40 = 25,239.68 : x
  2. Step 2: Convert to fraction form
    40,154.24/55,406.40 = 25,239.68/x
  3. Step 3: Cross multiply
    40,154.24x = 55,406.40 × 25,239.68
  4. Step 4: Simplify right side
    40,154.24x = 1,398,439,805.95
  5. Step 5: Solve for x
    x = 1,398,439,805.95/40,154.24
  6. Step 6: Final answer
    x = 34,826.70

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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.