Home / 40,077.56-60,137.28-16,402.68

Finding the Fourth Proportional to 40,077.56, 60,137.28 and 16,402.68

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Solution

The fourth proportional to 40,077.56, 60,137.28 and 16,402.68 is: 24,612.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077.56 : 60,137.28 = 16,402.68 : x
  2. Step 2: Convert to fraction form
    40,077.56/60,137.28 = 16,402.68/x
  3. Step 3: Cross multiply
    40,077.56x = 60,137.28 × 16,402.68
  4. Step 4: Simplify right side
    40,077.56x = 986,412,559.91
  5. Step 5: Solve for x
    x = 986,412,559.91/40,077.56
  6. Step 6: Final answer
    x = 24,612.59

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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.