Home / 36,720.68-55,081.56-10,425.48

Finding the Fourth Proportional to 36,720.68, 55,081.56 and 10,425.48

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Solution

The fourth proportional to 36,720.68, 55,081.56 and 10,425.48 is: 15,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.68 : 55,081.56 = 10,425.48 : x
  2. Step 2: Convert to fraction form
    36,720.68/55,081.56 = 10,425.48/x
  3. Step 3: Cross multiply
    36,720.68x = 55,081.56 × 10,425.48
  4. Step 4: Simplify right side
    36,720.68x = 574,251,702.15
  5. Step 5: Solve for x
    x = 574,251,702.15/36,720.68
  6. Step 6: Final answer
    x = 15,638.37

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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.