Home / 40,399.47-55,736.19-40,337.10

Finding the Fourth Proportional to 40,399.47, 55,736.19 and 40,337.10

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Solution

The fourth proportional to 40,399.47, 55,736.19 and 40,337.10 is: 55,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,399.47 : 55,736.19 = 40,337.10 : x
  2. Step 2: Convert to fraction form
    40,399.47/55,736.19 = 40,337.10/x
  3. Step 3: Cross multiply
    40,399.47x = 55,736.19 × 40,337.10
  4. Step 4: Simplify right side
    40,399.47x = 2,248,236,269.65
  5. Step 5: Solve for x
    x = 2,248,236,269.65/40,399.47
  6. Step 6: Final answer
    x = 55,650.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.