Home / 62,672.36-86,464.26-40,012.20

Finding the Fourth Proportional to 62,672.36, 86,464.26 and 40,012.20

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Solution

The fourth proportional to 62,672.36, 86,464.26 and 40,012.20 is: 55,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,672.36 : 86,464.26 = 40,012.20 : x
  2. Step 2: Convert to fraction form
    62,672.36/86,464.26 = 40,012.20/x
  3. Step 3: Cross multiply
    62,672.36x = 86,464.26 × 40,012.20
  4. Step 4: Simplify right side
    62,672.36x = 3,459,625,263.97
  5. Step 5: Solve for x
    x = 3,459,625,263.97/62,672.36
  6. Step 6: Final answer
    x = 55,201.77

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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.