Home / 39,680.28-54,758.76-22,913.28

Finding the Fourth Proportional to 39,680.28, 54,758.76 and 22,913.28

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Solution

The fourth proportional to 39,680.28, 54,758.76 and 22,913.28 is: 31,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,680.28 : 54,758.76 = 22,913.28 : x
  2. Step 2: Convert to fraction form
    39,680.28/54,758.76 = 22,913.28/x
  3. Step 3: Cross multiply
    39,680.28x = 54,758.76 × 22,913.28
  4. Step 4: Simplify right side
    39,680.28x = 1,254,702,800.33
  5. Step 5: Solve for x
    x = 1,254,702,800.33/39,680.28
  6. Step 6: Final answer
    x = 31,620.31

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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.