Home / 61,631.09-85,053.33-36,133.91

Finding the Fourth Proportional to 61,631.09, 85,053.33 and 36,133.91

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Solution

The fourth proportional to 61,631.09, 85,053.33 and 36,133.91 is: 49,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,631.09 : 85,053.33 = 36,133.91 : x
  2. Step 2: Convert to fraction form
    61,631.09/85,053.33 = 36,133.91/x
  3. Step 3: Cross multiply
    61,631.09x = 85,053.33 × 36,133.91
  4. Step 4: Simplify right side
    61,631.09x = 3,073,309,265.10
  5. Step 5: Solve for x
    x = 3,073,309,265.10/61,631.09
  6. Step 6: Final answer
    x = 49,866.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.