Home / 31,564.48-43,243.04-30,382.72

Finding the Fourth Proportional to 31,564.48, 43,243.04 and 30,382.72

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Solution

The fourth proportional to 31,564.48, 43,243.04 and 30,382.72 is: 41,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.48 : 43,243.04 = 30,382.72 : x
  2. Step 2: Convert to fraction form
    31,564.48/43,243.04 = 30,382.72/x
  3. Step 3: Cross multiply
    31,564.48x = 43,243.04 × 30,382.72
  4. Step 4: Simplify right side
    31,564.48x = 1,313,841,176.27
  5. Step 5: Solve for x
    x = 1,313,841,176.27/31,564.48
  6. Step 6: Final answer
    x = 41,624.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.