Home / 47,758.84-71,638.34-14,478.93

Finding the Fourth Proportional to 47,758.84, 71,638.34 and 14,478.93

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Solution

The fourth proportional to 47,758.84, 71,638.34 and 14,478.93 is: 21,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,758.84 : 71,638.34 = 14,478.93 : x
  2. Step 2: Convert to fraction form
    47,758.84/71,638.34 = 14,478.93/x
  3. Step 3: Cross multiply
    47,758.84x = 71,638.34 × 14,478.93
  4. Step 4: Simplify right side
    47,758.84x = 1,037,246,437.78
  5. Step 5: Solve for x
    x = 1,037,246,437.78/47,758.84
  6. Step 6: Final answer
    x = 21,718.42

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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.