Home / 48,343.08-72,518.10-20,234.85

Finding the Fourth Proportional to 48,343.08, 72,518.10 and 20,234.85

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Solution

The fourth proportional to 48,343.08, 72,518.10 and 20,234.85 is: 30,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,343.08 : 72,518.10 = 20,234.85 : x
  2. Step 2: Convert to fraction form
    48,343.08/72,518.10 = 20,234.85/x
  3. Step 3: Cross multiply
    48,343.08x = 72,518.10 × 20,234.85
  4. Step 4: Simplify right side
    48,343.08x = 1,467,392,875.79
  5. Step 5: Solve for x
    x = 1,467,392,875.79/48,343.08
  6. Step 6: Final answer
    x = 30,353.73

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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.