Home / 47,921.76-72,010.08-25,751.52

Finding the Fourth Proportional to 47,921.76, 72,010.08 and 25,751.52

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Solution

The fourth proportional to 47,921.76, 72,010.08 and 25,751.52 is: 38,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.76 : 72,010.08 = 25,751.52 : x
  2. Step 2: Convert to fraction form
    47,921.76/72,010.08 = 25,751.52/x
  3. Step 3: Cross multiply
    47,921.76x = 72,010.08 × 25,751.52
  4. Step 4: Simplify right side
    47,921.76x = 1,854,369,015.32
  5. Step 5: Solve for x
    x = 1,854,369,015.32/47,921.76
  6. Step 6: Final answer
    x = 38,695.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.