Home / 40,868.93-61,326.68-15,905.75

Finding the Fourth Proportional to 40,868.93, 61,326.68 and 15,905.75

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Solution

The fourth proportional to 40,868.93, 61,326.68 and 15,905.75 is: 23,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.93 : 61,326.68 = 15,905.75 : x
  2. Step 2: Convert to fraction form
    40,868.93/61,326.68 = 15,905.75/x
  3. Step 3: Cross multiply
    40,868.93x = 61,326.68 × 15,905.75
  4. Step 4: Simplify right side
    40,868.93x = 975,446,454.25
  5. Step 5: Solve for x
    x = 975,446,454.25/40,868.93
  6. Step 6: Final answer
    x = 23,867.68

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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.