Home / 53,031.67-79,531.09-17,963.13

Finding the Fourth Proportional to 53,031.67, 79,531.09 and 17,963.13

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Solution

The fourth proportional to 53,031.67, 79,531.09 and 17,963.13 is: 26,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,031.67 : 79,531.09 = 17,963.13 : x
  2. Step 2: Convert to fraction form
    53,031.67/79,531.09 = 17,963.13/x
  3. Step 3: Cross multiply
    53,031.67x = 79,531.09 × 17,963.13
  4. Step 4: Simplify right side
    53,031.67x = 1,428,627,308.71
  5. Step 5: Solve for x
    x = 1,428,627,308.71/53,031.67
  6. Step 6: Final answer
    x = 26,939.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.