Home / 36,433.60-54,650.40-18,937.60

Finding the Fourth Proportional to 36,433.60, 54,650.40 and 18,937.60

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Solution

The fourth proportional to 36,433.60, 54,650.40 and 18,937.60 is: 28,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,433.60 : 54,650.40 = 18,937.60 : x
  2. Step 2: Convert to fraction form
    36,433.60/54,650.40 = 18,937.60/x
  3. Step 3: Cross multiply
    36,433.60x = 54,650.40 × 18,937.60
  4. Step 4: Simplify right side
    36,433.60x = 1,034,947,415.04
  5. Step 5: Solve for x
    x = 1,034,947,415.04/36,433.60
  6. Step 6: Final answer
    x = 28,406.40

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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.