Home / 47,671.74-71,507.61-18,082.54

Finding the Fourth Proportional to 47,671.74, 71,507.61 and 18,082.54

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Solution

The fourth proportional to 47,671.74, 71,507.61 and 18,082.54 is: 27,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,671.74 : 71,507.61 = 18,082.54 : x
  2. Step 2: Convert to fraction form
    47,671.74/71,507.61 = 18,082.54/x
  3. Step 3: Cross multiply
    47,671.74x = 71,507.61 × 18,082.54
  4. Step 4: Simplify right side
    47,671.74x = 1,293,039,307.51
  5. Step 5: Solve for x
    x = 1,293,039,307.51/47,671.74
  6. Step 6: Final answer
    x = 27,123.81

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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.