Home / 36,890.40-55,249.20-28,077.60

Finding the Fourth Proportional to 36,890.40, 55,249.20 and 28,077.60

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Solution

The fourth proportional to 36,890.40, 55,249.20 and 28,077.60 is: 42,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.40 : 55,249.20 = 28,077.60 : x
  2. Step 2: Convert to fraction form
    36,890.40/55,249.20 = 28,077.60/x
  3. Step 3: Cross multiply
    36,890.40x = 55,249.20 × 28,077.60
  4. Step 4: Simplify right side
    36,890.40x = 1,551,264,937.92
  5. Step 5: Solve for x
    x = 1,551,264,937.92/36,890.40
  6. Step 6: Final answer
    x = 42,050.64

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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.