Home / 60,279.08-90,422.96-15,905.32

Finding the Fourth Proportional to 60,279.08, 90,422.96 and 15,905.32

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Solution

The fourth proportional to 60,279.08, 90,422.96 and 15,905.32 is: 23,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,279.08 : 90,422.96 = 15,905.32 : x
  2. Step 2: Convert to fraction form
    60,279.08/90,422.96 = 15,905.32/x
  3. Step 3: Cross multiply
    60,279.08x = 90,422.96 × 15,905.32
  4. Step 4: Simplify right side
    60,279.08x = 1,438,206,114.15
  5. Step 5: Solve for x
    x = 1,438,206,114.15/60,279.08
  6. Step 6: Final answer
    x = 23,859.13

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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.