Home / 51,177.36-76,765.68-19,580.16

Finding the Fourth Proportional to 51,177.36, 76,765.68 and 19,580.16

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Solution

The fourth proportional to 51,177.36, 76,765.68 and 19,580.16 is: 29,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,177.36 : 76,765.68 = 19,580.16 : x
  2. Step 2: Convert to fraction form
    51,177.36/76,765.68 = 19,580.16/x
  3. Step 3: Cross multiply
    51,177.36x = 76,765.68 × 19,580.16
  4. Step 4: Simplify right side
    51,177.36x = 1,503,084,296.91
  5. Step 5: Solve for x
    x = 1,503,084,296.91/51,177.36
  6. Step 6: Final answer
    x = 29,370.10

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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.