Home / 62,405.67-86,112.13-39,427.05

Finding the Fourth Proportional to 62,405.67, 86,112.13 and 39,427.05

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Solution

The fourth proportional to 62,405.67, 86,112.13 and 39,427.05 is: 54,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,405.67 : 86,112.13 = 39,427.05 : x
  2. Step 2: Convert to fraction form
    62,405.67/86,112.13 = 39,427.05/x
  3. Step 3: Cross multiply
    62,405.67x = 86,112.13 × 39,427.05
  4. Step 4: Simplify right side
    62,405.67x = 3,395,147,255.12
  5. Step 5: Solve for x
    x = 3,395,147,255.12/62,405.67
  6. Step 6: Final answer
    x = 54,404.47

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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.