Home / 31,620.17-47,424.16-14,748.52

Finding the Fourth Proportional to 31,620.17, 47,424.16 and 14,748.52

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Solution

The fourth proportional to 31,620.17, 47,424.16 and 14,748.52 is: 22,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.17 : 47,424.16 = 14,748.52 : x
  2. Step 2: Convert to fraction form
    31,620.17/47,424.16 = 14,748.52/x
  3. Step 3: Cross multiply
    31,620.17x = 47,424.16 × 14,748.52
  4. Step 4: Simplify right side
    31,620.17x = 699,436,172.24
  5. Step 5: Solve for x
    x = 699,436,172.24/31,620.17
  6. Step 6: Final answer
    x = 22,119.94

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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.