Home / 60,515.20-90,740.40-25,415.20

Finding the Fourth Proportional to 60,515.20, 90,740.40 and 25,415.20

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Solution

The fourth proportional to 60,515.20, 90,740.40 and 25,415.20 is: 38,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,515.20 : 90,740.40 = 25,415.20 : x
  2. Step 2: Convert to fraction form
    60,515.20/90,740.40 = 25,415.20/x
  3. Step 3: Cross multiply
    60,515.20x = 90,740.40 × 25,415.20
  4. Step 4: Simplify right side
    60,515.20x = 2,306,185,414.08
  5. Step 5: Solve for x
    x = 2,306,185,414.08/60,515.20
  6. Step 6: Final answer
    x = 38,109.19

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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.