Home / 47,221.16-65,176.29-29,329.70

Finding the Fourth Proportional to 47,221.16, 65,176.29 and 29,329.70

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Solution

The fourth proportional to 47,221.16, 65,176.29 and 29,329.70 is: 40,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,221.16 : 65,176.29 = 29,329.70 : x
  2. Step 2: Convert to fraction form
    47,221.16/65,176.29 = 29,329.70/x
  3. Step 3: Cross multiply
    47,221.16x = 65,176.29 × 29,329.70
  4. Step 4: Simplify right side
    47,221.16x = 1,911,600,706.93
  5. Step 5: Solve for x
    x = 1,911,600,706.93/47,221.16
  6. Step 6: Final answer
    x = 40,481.87

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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.