Home / 52,012.56-71,777.30-28,139.24

Finding the Fourth Proportional to 52,012.56, 71,777.30 and 28,139.24

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Solution

The fourth proportional to 52,012.56, 71,777.30 and 28,139.24 is: 38,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,012.56 : 71,777.30 = 28,139.24 : x
  2. Step 2: Convert to fraction form
    52,012.56/71,777.30 = 28,139.24/x
  3. Step 3: Cross multiply
    52,012.56x = 71,777.30 × 28,139.24
  4. Step 4: Simplify right side
    52,012.56x = 2,019,758,671.25
  5. Step 5: Solve for x
    x = 2,019,758,671.25/52,012.56
  6. Step 6: Final answer
    x = 38,832.13

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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.