Home / 53,988.69-81,012.20-26,286.69

Finding the Fourth Proportional to 53,988.69, 81,012.20 and 26,286.69

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Solution

The fourth proportional to 53,988.69, 81,012.20 and 26,286.69 is: 39,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988.69 : 81,012.20 = 26,286.69 : x
  2. Step 2: Convert to fraction form
    53,988.69/81,012.20 = 26,286.69/x
  3. Step 3: Cross multiply
    53,988.69x = 81,012.20 × 26,286.69
  4. Step 4: Simplify right side
    53,988.69x = 2,129,542,456.18
  5. Step 5: Solve for x
    x = 2,129,542,456.18/53,988.69
  6. Step 6: Final answer
    x = 39,444.23

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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.