Home / 36,937.68-55,432.44-28,636.80

Finding the Fourth Proportional to 36,937.68, 55,432.44 and 28,636.80

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Solution

The fourth proportional to 36,937.68, 55,432.44 and 28,636.80 is: 42,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,937.68 : 55,432.44 = 28,636.80 : x
  2. Step 2: Convert to fraction form
    36,937.68/55,432.44 = 28,636.80/x
  3. Step 3: Cross multiply
    36,937.68x = 55,432.44 × 28,636.80
  4. Step 4: Simplify right side
    36,937.68x = 1,587,407,697.79
  5. Step 5: Solve for x
    x = 1,587,407,697.79/36,937.68
  6. Step 6: Final answer
    x = 42,975.30

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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.