Home / 39,420.92-54,400.80-25,273.76

Finding the Fourth Proportional to 39,420.92, 54,400.80 and 25,273.76

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Solution

The fourth proportional to 39,420.92, 54,400.80 and 25,273.76 is: 34,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420.92 : 54,400.80 = 25,273.76 : x
  2. Step 2: Convert to fraction form
    39,420.92/54,400.80 = 25,273.76/x
  3. Step 3: Cross multiply
    39,420.92x = 54,400.80 × 25,273.76
  4. Step 4: Simplify right side
    39,420.92x = 1,374,912,763.01
  5. Step 5: Solve for x
    x = 1,374,912,763.01/39,420.92
  6. Step 6: Final answer
    x = 34,877.74

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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.