Home / 47,681.92-71,529.57-14,398.21

Finding the Fourth Proportional to 47,681.92, 71,529.57 and 14,398.21

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Solution

The fourth proportional to 47,681.92, 71,529.57 and 14,398.21 is: 21,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,681.92 : 71,529.57 = 14,398.21 : x
  2. Step 2: Convert to fraction form
    47,681.92/71,529.57 = 14,398.21/x
  3. Step 3: Cross multiply
    47,681.92x = 71,529.57 × 14,398.21
  4. Step 4: Simplify right side
    47,681.92x = 1,029,897,698.08
  5. Step 5: Solve for x
    x = 1,029,897,698.08/47,681.92
  6. Step 6: Final answer
    x = 21,599.33

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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.