Home / 53,278.12-80,007.90-51,049

Finding the Fourth Proportional to 53,278.12, 80,007.90 and 51,049

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Solution

The fourth proportional to 53,278.12, 80,007.90 and 51,049 is: 76,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,278.12 : 80,007.90 = 51,049 : x
  2. Step 2: Convert to fraction form
    53,278.12/80,007.90 = 51,049/x
  3. Step 3: Cross multiply
    53,278.12x = 80,007.90 × 51,049
  4. Step 4: Simplify right side
    53,278.12x = 4,084,323,287.10
  5. Step 5: Solve for x
    x = 4,084,323,287.10/53,278.12
  6. Step 6: Final answer
    x = 76,660.42

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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.