Home / 62,629.60-86,422.80-37,478.56

Finding the Fourth Proportional to 62,629.60, 86,422.80 and 37,478.56

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Solution

The fourth proportional to 62,629.60, 86,422.80 and 37,478.56 is: 51,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,629.60 : 86,422.80 = 37,478.56 : x
  2. Step 2: Convert to fraction form
    62,629.60/86,422.80 = 37,478.56/x
  3. Step 3: Cross multiply
    62,629.60x = 86,422.80 × 37,478.56
  4. Step 4: Simplify right side
    62,629.60x = 3,239,002,095.17
  5. Step 5: Solve for x
    x = 3,239,002,095.17/62,629.60
  6. Step 6: Final answer
    x = 51,716.79

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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.