Home / 42,347.52-63,523.20-14,647.68

Finding the Fourth Proportional to 42,347.52, 63,523.20 and 14,647.68

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Solution

The fourth proportional to 42,347.52, 63,523.20 and 14,647.68 is: 21,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,347.52 : 63,523.20 = 14,647.68 : x
  2. Step 2: Convert to fraction form
    42,347.52/63,523.20 = 14,647.68/x
  3. Step 3: Cross multiply
    42,347.52x = 63,523.20 × 14,647.68
  4. Step 4: Simplify right side
    42,347.52x = 930,467,506.18
  5. Step 5: Solve for x
    x = 930,467,506.18/42,347.52
  6. Step 6: Final answer
    x = 21,972.18

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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.