Home / 40,210.74-55,454.49-25,104.78

Finding the Fourth Proportional to 40,210.74, 55,454.49 and 25,104.78

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Solution

The fourth proportional to 40,210.74, 55,454.49 and 25,104.78 is: 34,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210.74 : 55,454.49 = 25,104.78 : x
  2. Step 2: Convert to fraction form
    40,210.74/55,454.49 = 25,104.78/x
  3. Step 3: Cross multiply
    40,210.74x = 55,454.49 × 25,104.78
  4. Step 4: Simplify right side
    40,210.74x = 1,392,172,771.46
  5. Step 5: Solve for x
    x = 1,392,172,771.46/40,210.74
  6. Step 6: Final answer
    x = 34,621.91

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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.