Home / 34,307.43-51,454.14-12,121.53

Finding the Fourth Proportional to 34,307.43, 51,454.14 and 12,121.53

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Solution

The fourth proportional to 34,307.43, 51,454.14 and 12,121.53 is: 18,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307.43 : 51,454.14 = 12,121.53 : x
  2. Step 2: Convert to fraction form
    34,307.43/51,454.14 = 12,121.53/x
  3. Step 3: Cross multiply
    34,307.43x = 51,454.14 × 12,121.53
  4. Step 4: Simplify right side
    34,307.43x = 623,702,901.63
  5. Step 5: Solve for x
    x = 623,702,901.63/34,307.43
  6. Step 6: Final answer
    x = 18,179.82

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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.