Home / 52,078.40-71,872.61-29,421.55

Finding the Fourth Proportional to 52,078.40, 71,872.61 and 29,421.55

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Solution

The fourth proportional to 52,078.40, 71,872.61 and 29,421.55 is: 40,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078.40 : 71,872.61 = 29,421.55 : x
  2. Step 2: Convert to fraction form
    52,078.40/71,872.61 = 29,421.55/x
  3. Step 3: Cross multiply
    52,078.40x = 71,872.61 × 29,421.55
  4. Step 4: Simplify right side
    52,078.40x = 2,114,603,537.78
  5. Step 5: Solve for x
    x = 2,114,603,537.78/52,078.40
  6. Step 6: Final answer
    x = 40,604.23

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1.5x scale

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.