Home / 31,306.20-43,204.89-19,376.48

Finding the Fourth Proportional to 31,306.20, 43,204.89 and 19,376.48

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Solution

The fourth proportional to 31,306.20, 43,204.89 and 19,376.48 is: 26,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.20 : 43,204.89 = 19,376.48 : x
  2. Step 2: Convert to fraction form
    31,306.20/43,204.89 = 19,376.48/x
  3. Step 3: Cross multiply
    31,306.20x = 43,204.89 × 19,376.48
  4. Step 4: Simplify right side
    31,306.20x = 837,158,470.96
  5. Step 5: Solve for x
    x = 837,158,470.96/31,306.20
  6. Step 6: Final answer
    x = 26,740.98

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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.