Home / 61,982.36-85,535.33-35,129.95

Finding the Fourth Proportional to 61,982.36, 85,535.33 and 35,129.95

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Solution

The fourth proportional to 61,982.36, 85,535.33 and 35,129.95 is: 48,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,982.36 : 85,535.33 = 35,129.95 : x
  2. Step 2: Convert to fraction form
    61,982.36/85,535.33 = 35,129.95/x
  3. Step 3: Cross multiply
    61,982.36x = 85,535.33 × 35,129.95
  4. Step 4: Simplify right side
    61,982.36x = 3,004,851,476.65
  5. Step 5: Solve for x
    x = 3,004,851,476.65/61,982.36
  6. Step 6: Final answer
    x = 48,479.14

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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.