Home / 51,731.06-71,390.12-29,068.69

Finding the Fourth Proportional to 51,731.06, 71,390.12 and 29,068.69

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Solution

The fourth proportional to 51,731.06, 71,390.12 and 29,068.69 is: 40,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,731.06 : 71,390.12 = 29,068.69 : x
  2. Step 2: Convert to fraction form
    51,731.06/71,390.12 = 29,068.69/x
  3. Step 3: Cross multiply
    51,731.06x = 71,390.12 × 29,068.69
  4. Step 4: Simplify right side
    51,731.06x = 2,075,217,161.54
  5. Step 5: Solve for x
    x = 2,075,217,161.54/51,731.06
  6. Step 6: Final answer
    x = 40,115.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.