Home / 51,601.44-71,210.56-28,945.20

Finding the Fourth Proportional to 51,601.44, 71,210.56 and 28,945.20

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Solution

The fourth proportional to 51,601.44, 71,210.56 and 28,945.20 is: 39,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,601.44 : 71,210.56 = 28,945.20 : x
  2. Step 2: Convert to fraction form
    51,601.44/71,210.56 = 28,945.20/x
  3. Step 3: Cross multiply
    51,601.44x = 71,210.56 × 28,945.20
  4. Step 4: Simplify right side
    51,601.44x = 2,061,203,901.31
  5. Step 5: Solve for x
    x = 2,061,203,901.31/51,601.44
  6. Step 6: Final answer
    x = 39,944.70

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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.