Home / 19,540.17-29,309.90-4,748.99

Finding the Fourth Proportional to 19,540.17, 29,309.90 and 4,748.99

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Solution

The fourth proportional to 19,540.17, 29,309.90 and 4,748.99 is: 7,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.17 : 29,309.90 = 4,748.99 : x
  2. Step 2: Convert to fraction form
    19,540.17/29,309.90 = 4,748.99/x
  3. Step 3: Cross multiply
    19,540.17x = 29,309.90 × 4,748.99
  4. Step 4: Simplify right side
    19,540.17x = 139,192,251.71
  5. Step 5: Solve for x
    x = 139,192,251.71/19,540.17
  6. Step 6: Final answer
    x = 7,123.39

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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.