Home / 40,635.22-60,976.05-21,915.13

Finding the Fourth Proportional to 40,635.22, 60,976.05 and 21,915.13

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Solution

The fourth proportional to 40,635.22, 60,976.05 and 21,915.13 is: 32,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,635.22 : 60,976.05 = 21,915.13 : x
  2. Step 2: Convert to fraction form
    40,635.22/60,976.05 = 21,915.13/x
  3. Step 3: Cross multiply
    40,635.22x = 60,976.05 × 21,915.13
  4. Step 4: Simplify right side
    40,635.22x = 1,336,298,062.64
  5. Step 5: Solve for x
    x = 1,336,298,062.64/40,635.22
  6. Step 6: Final answer
    x = 32,885.22

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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.