Home / 40,553.12-60,829.76-12,851.04

Finding the Fourth Proportional to 40,553.12, 60,829.76 and 12,851.04

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Solution

The fourth proportional to 40,553.12, 60,829.76 and 12,851.04 is: 19,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,553.12 : 60,829.76 = 12,851.04 : x
  2. Step 2: Convert to fraction form
    40,553.12/60,829.76 = 12,851.04/x
  3. Step 3: Cross multiply
    40,553.12x = 60,829.76 × 12,851.04
  4. Step 4: Simplify right side
    40,553.12x = 781,725,678.95
  5. Step 5: Solve for x
    x = 781,725,678.95/40,553.12
  6. Step 6: Final answer
    x = 19,276.59

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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.