Home / 38,899.29-53,661.30-22,756.04

Finding the Fourth Proportional to 38,899.29, 53,661.30 and 22,756.04

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Solution

The fourth proportional to 38,899.29, 53,661.30 and 22,756.04 is: 31,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,899.29 : 53,661.30 = 22,756.04 : x
  2. Step 2: Convert to fraction form
    38,899.29/53,661.30 = 22,756.04/x
  3. Step 3: Cross multiply
    38,899.29x = 53,661.30 × 22,756.04
  4. Step 4: Simplify right side
    38,899.29x = 1,221,118,664.84
  5. Step 5: Solve for x
    x = 1,221,118,664.84/38,899.29
  6. Step 6: Final answer
    x = 31,391.80

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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.