Home / 34,865.21-52,281.48-12,663.11

Finding the Fourth Proportional to 34,865.21, 52,281.48 and 12,663.11

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Solution

The fourth proportional to 34,865.21, 52,281.48 and 12,663.11 is: 18,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.21 : 52,281.48 = 12,663.11 : x
  2. Step 2: Convert to fraction form
    34,865.21/52,281.48 = 12,663.11/x
  3. Step 3: Cross multiply
    34,865.21x = 52,281.48 × 12,663.11
  4. Step 4: Simplify right side
    34,865.21x = 662,046,132.20
  5. Step 5: Solve for x
    x = 662,046,132.20/34,865.21
  6. Step 6: Final answer
    x = 18,988.73

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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.