Home / 39,634.08-54,695.47-22,640.57

Finding the Fourth Proportional to 39,634.08, 54,695.47 and 22,640.57

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Solution

The fourth proportional to 39,634.08, 54,695.47 and 22,640.57 is: 31,244.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,634.08 : 54,695.47 = 22,640.57 : x
  2. Step 2: Convert to fraction form
    39,634.08/54,695.47 = 22,640.57/x
  3. Step 3: Cross multiply
    39,634.08x = 54,695.47 × 22,640.57
  4. Step 4: Simplify right side
    39,634.08x = 1,238,336,617.22
  5. Step 5: Solve for x
    x = 1,238,336,617.22/39,634.08
  6. Step 6: Final answer
    x = 31,244.24

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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.