Home / 31,021.65-42,804.45-17,591.04

Finding the Fourth Proportional to 31,021.65, 42,804.45 and 17,591.04

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Solution

The fourth proportional to 31,021.65, 42,804.45 and 17,591.04 is: 24,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.65 : 42,804.45 = 17,591.04 : x
  2. Step 2: Convert to fraction form
    31,021.65/42,804.45 = 17,591.04/x
  3. Step 3: Cross multiply
    31,021.65x = 42,804.45 × 17,591.04
  4. Step 4: Simplify right side
    31,021.65x = 752,974,792.13
  5. Step 5: Solve for x
    x = 752,974,792.13/31,021.65
  6. Step 6: Final answer
    x = 24,272.56

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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.