Home / 19,540.05-29,309.85-4,748.96

Finding the Fourth Proportional to 19,540.05, 29,309.85 and 4,748.96

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Solution

The fourth proportional to 19,540.05, 29,309.85 and 4,748.96 is: 7,123.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.05 : 29,309.85 = 4,748.96 : x
  2. Step 2: Convert to fraction form
    19,540.05/29,309.85 = 4,748.96/x
  3. Step 3: Cross multiply
    19,540.05x = 29,309.85 × 4,748.96
  4. Step 4: Simplify right side
    19,540.05x = 139,191,158.71
  5. Step 5: Solve for x
    x = 139,191,158.71/19,540.05
  6. Step 6: Final answer
    x = 7,123.38

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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.