Home / 47,728.84-71,560.32-19,248.16

Finding the Fourth Proportional to 47,728.84, 71,560.32 and 19,248.16

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Solution

The fourth proportional to 47,728.84, 71,560.32 and 19,248.16 is: 28,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,728.84 : 71,560.32 = 19,248.16 : x
  2. Step 2: Convert to fraction form
    47,728.84/71,560.32 = 19,248.16/x
  3. Step 3: Cross multiply
    47,728.84x = 71,560.32 × 19,248.16
  4. Step 4: Simplify right side
    47,728.84x = 1,377,404,489.01
  5. Step 5: Solve for x
    x = 1,377,404,489.01/47,728.84
  6. Step 6: Final answer
    x = 28,858.96

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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.