Home / 52,038.20-71,811.18-29,378

Finding the Fourth Proportional to 52,038.20, 71,811.18 and 29,378

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Solution

The fourth proportional to 52,038.20, 71,811.18 and 29,378 is: 40,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,038.20 : 71,811.18 = 29,378 : x
  2. Step 2: Convert to fraction form
    52,038.20/71,811.18 = 29,378/x
  3. Step 3: Cross multiply
    52,038.20x = 71,811.18 × 29,378
  4. Step 4: Simplify right side
    52,038.20x = 2,109,668,846.04
  5. Step 5: Solve for x
    x = 2,109,668,846.04/52,038.20
  6. Step 6: Final answer
    x = 40,540.77

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Why These Related Problems?

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