Home / 48,001.40-72,002.10-14,721.20

Finding the Fourth Proportional to 48,001.40, 72,002.10 and 14,721.20

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Solution

The fourth proportional to 48,001.40, 72,002.10 and 14,721.20 is: 22,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,001.40 : 72,002.10 = 14,721.20 : x
  2. Step 2: Convert to fraction form
    48,001.40/72,002.10 = 14,721.20/x
  3. Step 3: Cross multiply
    48,001.40x = 72,002.10 × 14,721.20
  4. Step 4: Simplify right side
    48,001.40x = 1,059,957,314.52
  5. Step 5: Solve for x
    x = 1,059,957,314.52/48,001.40
  6. Step 6: Final answer
    x = 22,081.80

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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.