Home / 34,808.76-52,211.28-12,317.88

Finding the Fourth Proportional to 34,808.76, 52,211.28 and 12,317.88

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Solution

The fourth proportional to 34,808.76, 52,211.28 and 12,317.88 is: 18,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,808.76 : 52,211.28 = 12,317.88 : x
  2. Step 2: Convert to fraction form
    34,808.76/52,211.28 = 12,317.88/x
  3. Step 3: Cross multiply
    34,808.76x = 52,211.28 × 12,317.88
  4. Step 4: Simplify right side
    34,808.76x = 643,132,281.69
  5. Step 5: Solve for x
    x = 643,132,281.69/34,808.76
  6. Step 6: Final answer
    x = 18,476.16

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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.