Home / 39,443.20-54,431.91-22,448.74

Finding the Fourth Proportional to 39,443.20, 54,431.91 and 22,448.74

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Solution

The fourth proportional to 39,443.20, 54,431.91 and 22,448.74 is: 30,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,443.20 : 54,431.91 = 22,448.74 : x
  2. Step 2: Convert to fraction form
    39,443.20/54,431.91 = 22,448.74/x
  3. Step 3: Cross multiply
    39,443.20x = 54,431.91 × 22,448.74
  4. Step 4: Simplify right side
    39,443.20x = 1,221,927,715.34
  5. Step 5: Solve for x
    x = 1,221,927,715.34/39,443.20
  6. Step 6: Final answer
    x = 30,979.43

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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.