Home / 51,106.10-70,524.69-28,745.78

Finding the Fourth Proportional to 51,106.10, 70,524.69 and 28,745.78

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Solution

The fourth proportional to 51,106.10, 70,524.69 and 28,745.78 is: 39,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106.10 : 70,524.69 = 28,745.78 : x
  2. Step 2: Convert to fraction form
    51,106.10/70,524.69 = 28,745.78/x
  3. Step 3: Cross multiply
    51,106.10x = 70,524.69 × 28,745.78
  4. Step 4: Simplify right side
    51,106.10x = 2,027,287,223.31
  5. Step 5: Solve for x
    x = 2,027,287,223.31/51,106.10
  6. Step 6: Final answer
    x = 39,668.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.