Home / 36,720.61-55,080.80-10,425.37

Finding the Fourth Proportional to 36,720.61, 55,080.80 and 10,425.37

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Solution

The fourth proportional to 36,720.61, 55,080.80 and 10,425.37 is: 15,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.61 : 55,080.80 = 10,425.37 : x
  2. Step 2: Convert to fraction form
    36,720.61/55,080.80 = 10,425.37/x
  3. Step 3: Cross multiply
    36,720.61x = 55,080.80 × 10,425.37
  4. Step 4: Simplify right side
    36,720.61x = 574,237,745.96
  5. Step 5: Solve for x
    x = 574,237,745.96/36,720.61
  6. Step 6: Final answer
    x = 15,638.02

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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.