Home / 40,135.50-60,203.85-19,077.69

Finding the Fourth Proportional to 40,135.50, 60,203.85 and 19,077.69

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Solution

The fourth proportional to 40,135.50, 60,203.85 and 19,077.69 is: 28,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.50 : 60,203.85 = 19,077.69 : x
  2. Step 2: Convert to fraction form
    40,135.50/60,203.85 = 19,077.69/x
  3. Step 3: Cross multiply
    40,135.50x = 60,203.85 × 19,077.69
  4. Step 4: Simplify right side
    40,135.50x = 1,148,550,387.11
  5. Step 5: Solve for x
    x = 1,148,550,387.11/40,135.50
  6. Step 6: Final answer
    x = 28,616.82

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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.