Home / 47,799.51-65,959.38-28,150.87

Finding the Fourth Proportional to 47,799.51, 65,959.38 and 28,150.87

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Solution

The fourth proportional to 47,799.51, 65,959.38 and 28,150.87 is: 38,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,799.51 : 65,959.38 = 28,150.87 : x
  2. Step 2: Convert to fraction form
    47,799.51/65,959.38 = 28,150.87/x
  3. Step 3: Cross multiply
    47,799.51x = 65,959.38 × 28,150.87
  4. Step 4: Simplify right side
    47,799.51x = 1,856,813,931.66
  5. Step 5: Solve for x
    x = 1,856,813,931.66/47,799.51
  6. Step 6: Final answer
    x = 38,845.88

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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.