Home / 86,662.24-129,993.36-31,258.24

Finding the Fourth Proportional to 86,662.24, 129,993.36 and 31,258.24

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Solution

The fourth proportional to 86,662.24, 129,993.36 and 31,258.24 is: 46,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,662.24 : 129,993.36 = 31,258.24 : x
  2. Step 2: Convert to fraction form
    86,662.24/129,993.36 = 31,258.24/x
  3. Step 3: Cross multiply
    86,662.24x = 129,993.36 × 31,258.24
  4. Step 4: Simplify right side
    86,662.24x = 4,063,363,645.29
  5. Step 5: Solve for x
    x = 4,063,363,645.29/86,662.24
  6. Step 6: Final answer
    x = 46,887.36

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Similar ratio
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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.