Home / 40,154.93-55,363.43-25,789.40

Finding the Fourth Proportional to 40,154.93, 55,363.43 and 25,789.40

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Solution

The fourth proportional to 40,154.93, 55,363.43 and 25,789.40 is: 35,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.93 : 55,363.43 = 25,789.40 : x
  2. Step 2: Convert to fraction form
    40,154.93/55,363.43 = 25,789.40/x
  3. Step 3: Cross multiply
    40,154.93x = 55,363.43 × 25,789.40
  4. Step 4: Simplify right side
    40,154.93x = 1,427,789,512.70
  5. Step 5: Solve for x
    x = 1,427,789,512.70/40,154.93
  6. Step 6: Final answer
    x = 35,557.02

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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.