Home / 51,195.21-70,649.73-28,535.66

Finding the Fourth Proportional to 51,195.21, 70,649.73 and 28,535.66

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Solution

The fourth proportional to 51,195.21, 70,649.73 and 28,535.66 is: 39,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,195.21 : 70,649.73 = 28,535.66 : x
  2. Step 2: Convert to fraction form
    51,195.21/70,649.73 = 28,535.66/x
  3. Step 3: Cross multiply
    51,195.21x = 70,649.73 × 28,535.66
  4. Step 4: Simplify right side
    51,195.21x = 2,016,036,321.12
  5. Step 5: Solve for x
    x = 2,016,036,321.12/51,195.21
  6. Step 6: Final answer
    x = 39,379.40

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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.