Home / 61,083.72-91,561.64-25,565.40

Finding the Fourth Proportional to 61,083.72, 91,561.64 and 25,565.40

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Solution

The fourth proportional to 61,083.72, 91,561.64 and 25,565.40 is: 38,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,083.72 : 91,561.64 = 25,565.40 : x
  2. Step 2: Convert to fraction form
    61,083.72/91,561.64 = 25,565.40/x
  3. Step 3: Cross multiply
    61,083.72x = 91,561.64 × 25,565.40
  4. Step 4: Simplify right side
    61,083.72x = 2,340,809,823.43
  5. Step 5: Solve for x
    x = 2,340,809,823.43/61,083.72
  6. Step 6: Final answer
    x = 38,321.34

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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.