Home / 47,579.28-65,628.96-30,577.74

Finding the Fourth Proportional to 47,579.28, 65,628.96 and 30,577.74

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Solution

The fourth proportional to 47,579.28, 65,628.96 and 30,577.74 is: 42,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,579.28 : 65,628.96 = 30,577.74 : x
  2. Step 2: Convert to fraction form
    47,579.28/65,628.96 = 30,577.74/x
  3. Step 3: Cross multiply
    47,579.28x = 65,628.96 × 30,577.74
  4. Step 4: Simplify right side
    47,579.28x = 2,006,785,275.35
  5. Step 5: Solve for x
    x = 2,006,785,275.35/47,579.28
  6. Step 6: Final answer
    x = 42,177.71

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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.