Home / 29,148.30-43,722.45-19,792.80

Finding the Fourth Proportional to 29,148.30, 43,722.45 and 19,792.80

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Solution

The fourth proportional to 29,148.30, 43,722.45 and 19,792.80 is: 29,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.30 : 43,722.45 = 19,792.80 : x
  2. Step 2: Convert to fraction form
    29,148.30/43,722.45 = 19,792.80/x
  3. Step 3: Cross multiply
    29,148.30x = 43,722.45 × 19,792.80
  4. Step 4: Simplify right side
    29,148.30x = 865,389,708.36
  5. Step 5: Solve for x
    x = 865,389,708.36/29,148.30
  6. Step 6: Final answer
    x = 29,689.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.