Home / 51,988.24-71,743.80-28,115.11

Finding the Fourth Proportional to 51,988.24, 71,743.80 and 28,115.11

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Solution

The fourth proportional to 51,988.24, 71,743.80 and 28,115.11 is: 38,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988.24 : 71,743.80 = 28,115.11 : x
  2. Step 2: Convert to fraction form
    51,988.24/71,743.80 = 28,115.11/x
  3. Step 3: Cross multiply
    51,988.24x = 71,743.80 × 28,115.11
  4. Step 4: Simplify right side
    51,988.24x = 2,017,084,828.82
  5. Step 5: Solve for x
    x = 2,017,084,828.82/51,988.24
  6. Step 6: Final answer
    x = 38,798.87

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