Home / 51,808.18-71,493.66-29,148.40

Finding the Fourth Proportional to 51,808.18, 71,493.66 and 29,148.40

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Solution

The fourth proportional to 51,808.18, 71,493.66 and 29,148.40 is: 40,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,808.18 : 71,493.66 = 29,148.40 : x
  2. Step 2: Convert to fraction form
    51,808.18/71,493.66 = 29,148.40/x
  3. Step 3: Cross multiply
    51,808.18x = 71,493.66 × 29,148.40
  4. Step 4: Simplify right side
    51,808.18x = 2,083,925,799.14
  5. Step 5: Solve for x
    x = 2,083,925,799.14/51,808.18
  6. Step 6: Final answer
    x = 40,223.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.