Home / 34,780.35-47,997.26-19,673.18

Finding the Fourth Proportional to 34,780.35, 47,997.26 and 19,673.18

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Solution

The fourth proportional to 34,780.35, 47,997.26 and 19,673.18 is: 27,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.35 : 47,997.26 = 19,673.18 : x
  2. Step 2: Convert to fraction form
    34,780.35/47,997.26 = 19,673.18/x
  3. Step 3: Cross multiply
    34,780.35x = 47,997.26 × 19,673.18
  4. Step 4: Simplify right side
    34,780.35x = 944,258,397.13
  5. Step 5: Solve for x
    x = 944,258,397.13/34,780.35
  6. Step 6: Final answer
    x = 27,149.19

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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.