Home / 39,382.21-54,348.81-22,387.16

Finding the Fourth Proportional to 39,382.21, 54,348.81 and 22,387.16

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Solution

The fourth proportional to 39,382.21, 54,348.81 and 22,387.16 is: 30,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382.21 : 54,348.81 = 22,387.16 : x
  2. Step 2: Convert to fraction form
    39,382.21/54,348.81 = 22,387.16/x
  3. Step 3: Cross multiply
    39,382.21x = 54,348.81 × 22,387.16
  4. Step 4: Simplify right side
    39,382.21x = 1,216,715,505.28
  5. Step 5: Solve for x
    x = 1,216,715,505.28/39,382.21
  6. Step 6: Final answer
    x = 30,895.05

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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.