Home / 31,821.65-43,918.67-22,898.69

Finding the Fourth Proportional to 31,821.65, 43,918.67 and 22,898.69

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Solution

The fourth proportional to 31,821.65, 43,918.67 and 22,898.69 is: 31,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.65 : 43,918.67 = 22,898.69 : x
  2. Step 2: Convert to fraction form
    31,821.65/43,918.67 = 22,898.69/x
  3. Step 3: Cross multiply
    31,821.65x = 43,918.67 × 22,898.69
  4. Step 4: Simplify right side
    31,821.65x = 1,005,680,009.54
  5. Step 5: Solve for x
    x = 1,005,680,009.54/31,821.65
  6. Step 6: Final answer
    x = 31,603.64

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1.5x scale

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.