Home / 39,720.19-54,823.32-22,734.24

Finding the Fourth Proportional to 39,720.19, 54,823.32 and 22,734.24

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Solution

The fourth proportional to 39,720.19, 54,823.32 and 22,734.24 is: 31,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,720.19 : 54,823.32 = 22,734.24 : x
  2. Step 2: Convert to fraction form
    39,720.19/54,823.32 = 22,734.24/x
  3. Step 3: Cross multiply
    39,720.19x = 54,823.32 × 22,734.24
  4. Step 4: Simplify right side
    39,720.19x = 1,246,366,147.17
  5. Step 5: Solve for x
    x = 1,246,366,147.17/39,720.19
  6. Step 6: Final answer
    x = 31,378.65

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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.