Home / 53,839.03-80,763.90-20,587.06

Finding the Fourth Proportional to 53,839.03, 80,763.90 and 20,587.06

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Solution

The fourth proportional to 53,839.03, 80,763.90 and 20,587.06 is: 30,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,839.03 : 80,763.90 = 20,587.06 : x
  2. Step 2: Convert to fraction form
    53,839.03/80,763.90 = 20,587.06/x
  3. Step 3: Cross multiply
    53,839.03x = 80,763.90 × 20,587.06
  4. Step 4: Simplify right side
    53,839.03x = 1,662,691,255.13
  5. Step 5: Solve for x
    x = 1,662,691,255.13/53,839.03
  6. Step 6: Final answer
    x = 30,882.64

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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.