Home / 40,818.13-61,208.71-14,523.56

Finding the Fourth Proportional to 40,818.13, 61,208.71 and 14,523.56

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Solution

The fourth proportional to 40,818.13, 61,208.71 and 14,523.56 is: 21,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,818.13 : 61,208.71 = 14,523.56 : x
  2. Step 2: Convert to fraction form
    40,818.13/61,208.71 = 14,523.56/x
  3. Step 3: Cross multiply
    40,818.13x = 61,208.71 × 14,523.56
  4. Step 4: Simplify right side
    40,818.13x = 888,968,372.21
  5. Step 5: Solve for x
    x = 888,968,372.21/40,818.13
  6. Step 6: Final answer
    x = 21,778.76

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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.