Home / 34,510.11-51,734.53-13,445.28

Finding the Fourth Proportional to 34,510.11, 51,734.53 and 13,445.28

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Solution

The fourth proportional to 34,510.11, 51,734.53 and 13,445.28 is: 20,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,510.11 : 51,734.53 = 13,445.28 : x
  2. Step 2: Convert to fraction form
    34,510.11/51,734.53 = 13,445.28/x
  3. Step 3: Cross multiply
    34,510.11x = 51,734.53 × 13,445.28
  4. Step 4: Simplify right side
    34,510.11x = 695,585,241.52
  5. Step 5: Solve for x
    x = 695,585,241.52/34,510.11
  6. Step 6: Final answer
    x = 20,155.98

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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.