Home / 40,425.48-60,630.12-14,132.88

Finding the Fourth Proportional to 40,425.48, 60,630.12 and 14,132.88

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Solution

The fourth proportional to 40,425.48, 60,630.12 and 14,132.88 is: 21,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.48 : 60,630.12 = 14,132.88 : x
  2. Step 2: Convert to fraction form
    40,425.48/60,630.12 = 14,132.88/x
  3. Step 3: Cross multiply
    40,425.48x = 60,630.12 × 14,132.88
  4. Step 4: Simplify right side
    40,425.48x = 856,878,210.35
  5. Step 5: Solve for x
    x = 856,878,210.35/40,425.48
  6. Step 6: Final answer
    x = 21,196.49

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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.