Home / 43,311.36-65,054.40-25,815.36

Finding the Fourth Proportional to 43,311.36, 65,054.40 and 25,815.36

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Solution

The fourth proportional to 43,311.36, 65,054.40 and 25,815.36 is: 38,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311.36 : 65,054.40 = 25,815.36 : x
  2. Step 2: Convert to fraction form
    43,311.36/65,054.40 = 25,815.36/x
  3. Step 3: Cross multiply
    43,311.36x = 65,054.40 × 25,815.36
  4. Step 4: Simplify right side
    43,311.36x = 1,679,402,755.58
  5. Step 5: Solve for x
    x = 1,679,402,755.58/43,311.36
  6. Step 6: Final answer
    x = 38,775.11

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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.