Home / 51,591.40-77,153.82-39,743.08

Finding the Fourth Proportional to 51,591.40, 77,153.82 and 39,743.08

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Solution

The fourth proportional to 51,591.40, 77,153.82 and 39,743.08 is: 59,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,591.40 : 77,153.82 = 39,743.08 : x
  2. Step 2: Convert to fraction form
    51,591.40/77,153.82 = 39,743.08/x
  3. Step 3: Cross multiply
    51,591.40x = 77,153.82 × 39,743.08
  4. Step 4: Simplify right side
    51,591.40x = 3,066,330,440.57
  5. Step 5: Solve for x
    x = 3,066,330,440.57/51,591.40
  6. Step 6: Final answer
    x = 59,434.91

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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.