Home / 48,000.76-72,002.18-14,720.10

Finding the Fourth Proportional to 48,000.76, 72,002.18 and 14,720.10

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Solution

The fourth proportional to 48,000.76, 72,002.18 and 14,720.10 is: 22,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,000.76 : 72,002.18 = 14,720.10 : x
  2. Step 2: Convert to fraction form
    48,000.76/72,002.18 = 14,720.10/x
  3. Step 3: Cross multiply
    48,000.76x = 72,002.18 × 14,720.10
  4. Step 4: Simplify right side
    48,000.76x = 1,059,879,289.82
  5. Step 5: Solve for x
    x = 1,059,879,289.82/48,000.76
  6. Step 6: Final answer
    x = 22,080.47

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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.