Home / 51,921.38-77,943.76-43,703.66

Finding the Fourth Proportional to 51,921.38, 77,943.76 and 43,703.66

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Solution

The fourth proportional to 51,921.38, 77,943.76 and 43,703.66 is: 65,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,921.38 : 77,943.76 = 43,703.66 : x
  2. Step 2: Convert to fraction form
    51,921.38/77,943.76 = 43,703.66/x
  3. Step 3: Cross multiply
    51,921.38x = 77,943.76 × 43,703.66
  4. Step 4: Simplify right side
    51,921.38x = 3,406,427,586.16
  5. Step 5: Solve for x
    x = 3,406,427,586.16/51,921.38
  6. Step 6: Final answer
    x = 65,607.42

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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.