Home / 47,716.34-71,565.28-14,428.60

Finding the Fourth Proportional to 47,716.34, 71,565.28 and 14,428.60

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Solution

The fourth proportional to 47,716.34, 71,565.28 and 14,428.60 is: 21,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,716.34 : 71,565.28 = 14,428.60 : x
  2. Step 2: Convert to fraction form
    47,716.34/71,565.28 = 14,428.60/x
  3. Step 3: Cross multiply
    47,716.34x = 71,565.28 × 14,428.60
  4. Step 4: Simplify right side
    47,716.34x = 1,032,586,799.01
  5. Step 5: Solve for x
    x = 1,032,586,799.01/47,716.34
  6. Step 6: Final answer
    x = 21,640.11

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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.