Home / 34,250.76-47,259.90-19,143.72

Finding the Fourth Proportional to 34,250.76, 47,259.90 and 19,143.72

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Solution

The fourth proportional to 34,250.76, 47,259.90 and 19,143.72 is: 26,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,250.76 : 47,259.90 = 19,143.72 : x
  2. Step 2: Convert to fraction form
    34,250.76/47,259.90 = 19,143.72/x
  3. Step 3: Cross multiply
    34,250.76x = 47,259.90 × 19,143.72
  4. Step 4: Simplify right side
    34,250.76x = 904,730,292.83
  5. Step 5: Solve for x
    x = 904,730,292.83/34,250.76
  6. Step 6: Final answer
    x = 26,414.90

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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.