Home / 47,758.57-71,638.05-14,478.92

Finding the Fourth Proportional to 47,758.57, 71,638.05 and 14,478.92

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Solution

The fourth proportional to 47,758.57, 71,638.05 and 14,478.92 is: 21,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,758.57 : 71,638.05 = 14,478.92 : x
  2. Step 2: Convert to fraction form
    47,758.57/71,638.05 = 14,478.92/x
  3. Step 3: Cross multiply
    47,758.57x = 71,638.05 × 14,478.92
  4. Step 4: Simplify right side
    47,758.57x = 1,037,241,724.84
  5. Step 5: Solve for x
    x = 1,037,241,724.84/47,758.57
  6. Step 6: Final answer
    x = 21,718.44

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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.