Home / 39,531.29-54,555.59-22,769.69

Finding the Fourth Proportional to 39,531.29, 54,555.59 and 22,769.69

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Solution

The fourth proportional to 39,531.29, 54,555.59 and 22,769.69 is: 31,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.29 : 54,555.59 = 22,769.69 : x
  2. Step 2: Convert to fraction form
    39,531.29/54,555.59 = 22,769.69/x
  3. Step 3: Cross multiply
    39,531.29x = 54,555.59 × 22,769.69
  4. Step 4: Simplify right side
    39,531.29x = 1,242,213,656.21
  5. Step 5: Solve for x
    x = 1,242,213,656.21/39,531.29
  6. Step 6: Final answer
    x = 31,423.56

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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.