Home / 40,214.20-60,315.72-28,169.88

Finding the Fourth Proportional to 40,214.20, 60,315.72 and 28,169.88

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Solution

The fourth proportional to 40,214.20, 60,315.72 and 28,169.88 is: 42,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,214.20 : 60,315.72 = 28,169.88 : x
  2. Step 2: Convert to fraction form
    40,214.20/60,315.72 = 28,169.88/x
  3. Step 3: Cross multiply
    40,214.20x = 60,315.72 × 28,169.88
  4. Step 4: Simplify right side
    40,214.20x = 1,699,086,594.51
  5. Step 5: Solve for x
    x = 1,699,086,594.51/40,214.20
  6. Step 6: Final answer
    x = 42,250.91

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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.