Home / 60,549.40-90,832.20-21,118.60

Finding the Fourth Proportional to 60,549.40, 90,832.20 and 21,118.60

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Solution

The fourth proportional to 60,549.40, 90,832.20 and 21,118.60 is: 31,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,549.40 : 90,832.20 = 21,118.60 : x
  2. Step 2: Convert to fraction form
    60,549.40/90,832.20 = 21,118.60/x
  3. Step 3: Cross multiply
    60,549.40x = 90,832.20 × 21,118.60
  4. Step 4: Simplify right side
    60,549.40x = 1,918,248,898.92
  5. Step 5: Solve for x
    x = 1,918,248,898.92/60,549.40
  6. Step 6: Final answer
    x = 31,680.73

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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.