Home / 31,790.04-43,869.42-17,642.52

Finding the Fourth Proportional to 31,790.04, 43,869.42 and 17,642.52

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Solution

The fourth proportional to 31,790.04, 43,869.42 and 17,642.52 is: 24,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,790.04 : 43,869.42 = 17,642.52 : x
  2. Step 2: Convert to fraction form
    31,790.04/43,869.42 = 17,642.52/x
  3. Step 3: Cross multiply
    31,790.04x = 43,869.42 × 17,642.52
  4. Step 4: Simplify right side
    31,790.04x = 773,967,119.74
  5. Step 5: Solve for x
    x = 773,967,119.74/31,790.04
  6. Step 6: Final answer
    x = 24,346.21

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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.