Home / 61,305.09-91,955.10-21,333.24

Finding the Fourth Proportional to 61,305.09, 91,955.10 and 21,333.24

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Solution

The fourth proportional to 61,305.09, 91,955.10 and 21,333.24 is: 31,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,305.09 : 91,955.10 = 21,333.24 : x
  2. Step 2: Convert to fraction form
    61,305.09/91,955.10 = 21,333.24/x
  3. Step 3: Cross multiply
    61,305.09x = 91,955.10 × 21,333.24
  4. Step 4: Simplify right side
    61,305.09x = 1,961,700,217.52
  5. Step 5: Solve for x
    x = 1,961,700,217.52/61,305.09
  6. Step 6: Final answer
    x = 31,998.98

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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.