Home / 47,478.75-65,520.25-26,257.56

Finding the Fourth Proportional to 47,478.75, 65,520.25 and 26,257.56

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Solution

The fourth proportional to 47,478.75, 65,520.25 and 26,257.56 is: 36,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,478.75 : 65,520.25 = 26,257.56 : x
  2. Step 2: Convert to fraction form
    47,478.75/65,520.25 = 26,257.56/x
  3. Step 3: Cross multiply
    47,478.75x = 65,520.25 × 26,257.56
  4. Step 4: Simplify right side
    47,478.75x = 1,720,401,895.59
  5. Step 5: Solve for x
    x = 1,720,401,895.59/47,478.75
  6. Step 6: Final answer
    x = 36,235.20

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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.