Home / 47,122.90-65,024.11-28,003.48

Finding the Fourth Proportional to 47,122.90, 65,024.11 and 28,003.48

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Solution

The fourth proportional to 47,122.90, 65,024.11 and 28,003.48 is: 38,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,122.90 : 65,024.11 = 28,003.48 : x
  2. Step 2: Convert to fraction form
    47,122.90/65,024.11 = 28,003.48/x
  3. Step 3: Cross multiply
    47,122.90x = 65,024.11 × 28,003.48
  4. Step 4: Simplify right side
    47,122.90x = 1,820,901,363.90
  5. Step 5: Solve for x
    x = 1,820,901,363.90/47,122.90
  6. Step 6: Final answer
    x = 38,641.54

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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.