Home / 49,145.96-67,821.40-29,002.88

Finding the Fourth Proportional to 49,145.96, 67,821.40 and 29,002.88

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Solution

The fourth proportional to 49,145.96, 67,821.40 and 29,002.88 is: 40,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,145.96 : 67,821.40 = 29,002.88 : x
  2. Step 2: Convert to fraction form
    49,145.96/67,821.40 = 29,002.88/x
  3. Step 3: Cross multiply
    49,145.96x = 67,821.40 × 29,002.88
  4. Step 4: Simplify right side
    49,145.96x = 1,967,015,925.63
  5. Step 5: Solve for x
    x = 1,967,015,925.63/49,145.96
  6. Step 6: Final answer
    x = 40,023.96

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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.