Home / 51,394.47-77,090.78-26,419.83

Finding the Fourth Proportional to 51,394.47, 77,090.78 and 26,419.83

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Solution

The fourth proportional to 51,394.47, 77,090.78 and 26,419.83 is: 39,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,394.47 : 77,090.78 = 26,419.83 : x
  2. Step 2: Convert to fraction form
    51,394.47/77,090.78 = 26,419.83/x
  3. Step 3: Cross multiply
    51,394.47x = 77,090.78 × 26,419.83
  4. Step 4: Simplify right side
    51,394.47x = 2,036,725,170.07
  5. Step 5: Solve for x
    x = 2,036,725,170.07/51,394.47
  6. Step 6: Final answer
    x = 39,629.27

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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.