Home / 34,073.28-47,020.76-18,965.70

Finding the Fourth Proportional to 34,073.28, 47,020.76 and 18,965.70

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Solution

The fourth proportional to 34,073.28, 47,020.76 and 18,965.70 is: 26,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,073.28 : 47,020.76 = 18,965.70 : x
  2. Step 2: Convert to fraction form
    34,073.28/47,020.76 = 18,965.70/x
  3. Step 3: Cross multiply
    34,073.28x = 47,020.76 × 18,965.70
  4. Step 4: Simplify right side
    34,073.28x = 891,781,627.93
  5. Step 5: Solve for x
    x = 891,781,627.93/34,073.28
  6. Step 6: Final answer
    x = 26,172.46

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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.