Home / 31,579.29-47,360.70-9,386.71

Finding the Fourth Proportional to 31,579.29, 47,360.70 and 9,386.71

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Solution

The fourth proportional to 31,579.29, 47,360.70 and 9,386.71 is: 14,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.29 : 47,360.70 = 9,386.71 : x
  2. Step 2: Convert to fraction form
    31,579.29/47,360.70 = 9,386.71/x
  3. Step 3: Cross multiply
    31,579.29x = 47,360.70 × 9,386.71
  4. Step 4: Simplify right side
    31,579.29x = 444,561,037.90
  5. Step 5: Solve for x
    x = 444,561,037.90/31,579.29
  6. Step 6: Final answer
    x = 14,077.61

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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.