Home / 48,278.08-72,396.60-21,999.52

Finding the Fourth Proportional to 48,278.08, 72,396.60 and 21,999.52

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Solution

The fourth proportional to 48,278.08, 72,396.60 and 21,999.52 is: 32,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.08 : 72,396.60 = 21,999.52 : x
  2. Step 2: Convert to fraction form
    48,278.08/72,396.60 = 21,999.52/x
  3. Step 3: Cross multiply
    48,278.08x = 72,396.60 × 21,999.52
  4. Step 4: Simplify right side
    48,278.08x = 1,592,690,449.63
  5. Step 5: Solve for x
    x = 1,592,690,449.63/48,278.08
  6. Step 6: Final answer
    x = 32,989.93

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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.