Home / 51,151.89-70,591.53-28,182.66

Finding the Fourth Proportional to 51,151.89, 70,591.53 and 28,182.66

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Solution

The fourth proportional to 51,151.89, 70,591.53 and 28,182.66 is: 38,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.89 : 70,591.53 = 28,182.66 : x
  2. Step 2: Convert to fraction form
    51,151.89/70,591.53 = 28,182.66/x
  3. Step 3: Cross multiply
    51,151.89x = 70,591.53 × 28,182.66
  4. Step 4: Simplify right side
    51,151.89x = 1,989,456,595.00
  5. Step 5: Solve for x
    x = 1,989,456,595.00/51,151.89
  6. Step 6: Final answer
    x = 38,893.12

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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.