Home / 51,459.12-77,166.80-31,732.38

Finding the Fourth Proportional to 51,459.12, 77,166.80 and 31,732.38

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Solution

The fourth proportional to 51,459.12, 77,166.80 and 31,732.38 is: 47,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.12 : 77,166.80 = 31,732.38 : x
  2. Step 2: Convert to fraction form
    51,459.12/77,166.80 = 31,732.38/x
  3. Step 3: Cross multiply
    51,459.12x = 77,166.80 × 31,732.38
  4. Step 4: Simplify right side
    51,459.12x = 2,448,686,220.98
  5. Step 5: Solve for x
    x = 2,448,686,220.98/51,459.12
  6. Step 6: Final answer
    x = 47,585.08

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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.