Home / 56,155.64-84,227.67-18,711.66

Finding the Fourth Proportional to 56,155.64, 84,227.67 and 18,711.66

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Solution

The fourth proportional to 56,155.64, 84,227.67 and 18,711.66 is: 28,065.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,155.64 : 84,227.67 = 18,711.66 : x
  2. Step 2: Convert to fraction form
    56,155.64/84,227.67 = 18,711.66/x
  3. Step 3: Cross multiply
    56,155.64x = 84,227.67 × 18,711.66
  4. Step 4: Simplify right side
    56,155.64x = 1,576,039,523.63
  5. Step 5: Solve for x
    x = 1,576,039,523.63/56,155.64
  6. Step 6: Final answer
    x = 28,065.56

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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.