Home / 52,240.10-78,306.53-20,637.37

Finding the Fourth Proportional to 52,240.10, 78,306.53 and 20,637.37

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Solution

The fourth proportional to 52,240.10, 78,306.53 and 20,637.37 is: 30,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,240.10 : 78,306.53 = 20,637.37 : x
  2. Step 2: Convert to fraction form
    52,240.10/78,306.53 = 20,637.37/x
  3. Step 3: Cross multiply
    52,240.10x = 78,306.53 × 20,637.37
  4. Step 4: Simplify right side
    52,240.10x = 1,616,040,441.49
  5. Step 5: Solve for x
    x = 1,616,040,441.49/52,240.10
  6. Step 6: Final answer
    x = 30,934.87

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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.