Home / 40,018.28-55,232.86-26,382.38

Finding the Fourth Proportional to 40,018.28, 55,232.86 and 26,382.38

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Solution

The fourth proportional to 40,018.28, 55,232.86 and 26,382.38 is: 36,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.28 : 55,232.86 = 26,382.38 : x
  2. Step 2: Convert to fraction form
    40,018.28/55,232.86 = 26,382.38/x
  3. Step 3: Cross multiply
    40,018.28x = 55,232.86 × 26,382.38
  4. Step 4: Simplify right side
    40,018.28x = 1,457,174,373.13
  5. Step 5: Solve for x
    x = 1,457,174,373.13/40,018.28
  6. Step 6: Final answer
    x = 36,412.72

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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.