Home / 36,555.45-54,775.71-28,255.79

Finding the Fourth Proportional to 36,555.45, 54,775.71 and 28,255.79

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Solution

The fourth proportional to 36,555.45, 54,775.71 and 28,255.79 is: 42,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,555.45 : 54,775.71 = 28,255.79 : x
  2. Step 2: Convert to fraction form
    36,555.45/54,775.71 = 28,255.79/x
  3. Step 3: Cross multiply
    36,555.45x = 54,775.71 × 28,255.79
  4. Step 4: Simplify right side
    36,555.45x = 1,547,730,684.98
  5. Step 5: Solve for x
    x = 1,547,730,684.98/36,555.45
  6. Step 6: Final answer
    x = 42,339.26

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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.