Home / 34,359.75-47,418.21-19,251.50

Finding the Fourth Proportional to 34,359.75, 47,418.21 and 19,251.50

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Solution

The fourth proportional to 34,359.75, 47,418.21 and 19,251.50 is: 26,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,359.75 : 47,418.21 = 19,251.50 : x
  2. Step 2: Convert to fraction form
    34,359.75/47,418.21 = 19,251.50/x
  3. Step 3: Cross multiply
    34,359.75x = 47,418.21 × 19,251.50
  4. Step 4: Simplify right side
    34,359.75x = 912,871,432.72
  5. Step 5: Solve for x
    x = 912,871,432.72/34,359.75
  6. Step 6: Final answer
    x = 26,568.05

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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.