Home / 35,470.70-48,951.78-19,555.12

Finding the Fourth Proportional to 35,470.70, 48,951.78 and 19,555.12

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Solution

The fourth proportional to 35,470.70, 48,951.78 and 19,555.12 is: 26,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.70 : 48,951.78 = 19,555.12 : x
  2. Step 2: Convert to fraction form
    35,470.70/48,951.78 = 19,555.12/x
  3. Step 3: Cross multiply
    35,470.70x = 48,951.78 × 19,555.12
  4. Step 4: Simplify right side
    35,470.70x = 957,257,932.11
  5. Step 5: Solve for x
    x = 957,257,932.11/35,470.70
  6. Step 6: Final answer
    x = 26,987.29

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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.