Home / 34,510.62-51,735.29-13,445.78

Finding the Fourth Proportional to 34,510.62, 51,735.29 and 13,445.78

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Solution

The fourth proportional to 34,510.62, 51,735.29 and 13,445.78 is: 20,156.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,510.62 : 51,735.29 = 13,445.78 : x
  2. Step 2: Convert to fraction form
    34,510.62/51,735.29 = 13,445.78/x
  3. Step 3: Cross multiply
    34,510.62x = 51,735.29 × 13,445.78
  4. Step 4: Simplify right side
    34,510.62x = 695,621,001.67
  5. Step 5: Solve for x
    x = 695,621,001.67/34,510.62
  6. Step 6: Final answer
    x = 20,156.72

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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.