Home / 31,306.74-43,207.72-19,373.92

Finding the Fourth Proportional to 31,306.74, 43,207.72 and 19,373.92

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Solution

The fourth proportional to 31,306.74, 43,207.72 and 19,373.92 is: 26,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.74 : 43,207.72 = 19,373.92 : x
  2. Step 2: Convert to fraction form
    31,306.74/43,207.72 = 19,373.92/x
  3. Step 3: Cross multiply
    31,306.74x = 43,207.72 × 19,373.92
  4. Step 4: Simplify right side
    31,306.74x = 837,102,694.62
  5. Step 5: Solve for x
    x = 837,102,694.62/31,306.74
  6. Step 6: Final answer
    x = 26,738.74

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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.