Home / 51,203.75-76,805.62-20,017.13

Finding the Fourth Proportional to 51,203.75, 76,805.62 and 20,017.13

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Solution

The fourth proportional to 51,203.75, 76,805.62 and 20,017.13 is: 30,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,203.75 : 76,805.62 = 20,017.13 : x
  2. Step 2: Convert to fraction form
    51,203.75/76,805.62 = 20,017.13/x
  3. Step 3: Cross multiply
    51,203.75x = 76,805.62 × 20,017.13
  4. Step 4: Simplify right side
    51,203.75x = 1,537,427,646.20
  5. Step 5: Solve for x
    x = 1,537,427,646.20/51,203.75
  6. Step 6: Final answer
    x = 30,025.69

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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.