Home / 36,352.08-54,469.80-20,761.20

Finding the Fourth Proportional to 36,352.08, 54,469.80 and 20,761.20

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Solution

The fourth proportional to 36,352.08, 54,469.80 and 20,761.20 is: 31,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,352.08 : 54,469.80 = 20,761.20 : x
  2. Step 2: Convert to fraction form
    36,352.08/54,469.80 = 20,761.20/x
  3. Step 3: Cross multiply
    36,352.08x = 54,469.80 × 20,761.20
  4. Step 4: Simplify right side
    36,352.08x = 1,130,858,411.76
  5. Step 5: Solve for x
    x = 1,130,858,411.76/36,352.08
  6. Step 6: Final answer
    x = 31,108.49

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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.