Home / 61,262.40-91,895.94-19,146.36

Finding the Fourth Proportional to 61,262.40, 91,895.94 and 19,146.36

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Solution

The fourth proportional to 61,262.40, 91,895.94 and 19,146.36 is: 28,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,262.40 : 91,895.94 = 19,146.36 : x
  2. Step 2: Convert to fraction form
    61,262.40/91,895.94 = 19,146.36/x
  3. Step 3: Cross multiply
    61,262.40x = 91,895.94 × 19,146.36
  4. Step 4: Simplify right side
    61,262.40x = 1,759,472,749.78
  5. Step 5: Solve for x
    x = 1,759,472,749.78/61,262.40
  6. Step 6: Final answer
    x = 28,720.27

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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.