Home / 36,280.80-54,448.20-18,741.60

Finding the Fourth Proportional to 36,280.80, 54,448.20 and 18,741.60

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Solution

The fourth proportional to 36,280.80, 54,448.20 and 18,741.60 is: 28,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,280.80 : 54,448.20 = 18,741.60 : x
  2. Step 2: Convert to fraction form
    36,280.80/54,448.20 = 18,741.60/x
  3. Step 3: Cross multiply
    36,280.80x = 54,448.20 × 18,741.60
  4. Step 4: Simplify right side
    36,280.80x = 1,020,446,385.12
  5. Step 5: Solve for x
    x = 1,020,446,385.12/36,280.80
  6. Step 6: Final answer
    x = 28,126.35

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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.