Home / 50,780.20-76,170.30-36,005.80

Finding the Fourth Proportional to 50,780.20, 76,170.30 and 36,005.80

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Solution

The fourth proportional to 50,780.20, 76,170.30 and 36,005.80 is: 54,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,780.20 : 76,170.30 = 36,005.80 : x
  2. Step 2: Convert to fraction form
    50,780.20/76,170.30 = 36,005.80/x
  3. Step 3: Cross multiply
    50,780.20x = 76,170.30 × 36,005.80
  4. Step 4: Simplify right side
    50,780.20x = 2,742,572,587.74
  5. Step 5: Solve for x
    x = 2,742,572,587.74/50,780.20
  6. Step 6: Final answer
    x = 54,008.70

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1.5x scale

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.