Home / 39,941.52-55,121.76-22,951.20

Finding the Fourth Proportional to 39,941.52, 55,121.76 and 22,951.20

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Solution

The fourth proportional to 39,941.52, 55,121.76 and 22,951.20 is: 31,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.52 : 55,121.76 = 22,951.20 : x
  2. Step 2: Convert to fraction form
    39,941.52/55,121.76 = 22,951.20/x
  3. Step 3: Cross multiply
    39,941.52x = 55,121.76 × 22,951.20
  4. Step 4: Simplify right side
    39,941.52x = 1,265,110,538.11
  5. Step 5: Solve for x
    x = 1,265,110,538.11/39,941.52
  6. Step 6: Final answer
    x = 31,674.07

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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.