Home / 34,255.29-51,347.92-19,432.90

Finding the Fourth Proportional to 34,255.29, 51,347.92 and 19,432.90

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Solution

The fourth proportional to 34,255.29, 51,347.92 and 19,432.90 is: 29,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,255.29 : 51,347.92 = 19,432.90 : x
  2. Step 2: Convert to fraction form
    34,255.29/51,347.92 = 19,432.90/x
  3. Step 3: Cross multiply
    34,255.29x = 51,347.92 × 19,432.90
  4. Step 4: Simplify right side
    34,255.29x = 997,838,994.57
  5. Step 5: Solve for x
    x = 997,838,994.57/34,255.29
  6. Step 6: Final answer
    x = 29,129.49

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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.