Home / 47,240.90-70,872.99-13,960.83

Finding the Fourth Proportional to 47,240.90, 70,872.99 and 13,960.83

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Solution

The fourth proportional to 47,240.90, 70,872.99 and 13,960.83 is: 20,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,240.90 : 70,872.99 = 13,960.83 : x
  2. Step 2: Convert to fraction form
    47,240.90/70,872.99 = 13,960.83/x
  3. Step 3: Cross multiply
    47,240.90x = 70,872.99 × 13,960.83
  4. Step 4: Simplify right side
    47,240.90x = 989,445,695.18
  5. Step 5: Solve for x
    x = 989,445,695.18/47,240.90
  6. Step 6: Final answer
    x = 20,944.69

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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.