Home / 65,868.18-98,784.66-18,480.46

Finding the Fourth Proportional to 65,868.18, 98,784.66 and 18,480.46

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Solution

The fourth proportional to 65,868.18, 98,784.66 and 18,480.46 is: 27,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,868.18 : 98,784.66 = 18,480.46 : x
  2. Step 2: Convert to fraction form
    65,868.18/98,784.66 = 18,480.46/x
  3. Step 3: Cross multiply
    65,868.18x = 98,784.66 × 18,480.46
  4. Step 4: Simplify right side
    65,868.18x = 1,825,585,957.74
  5. Step 5: Solve for x
    x = 1,825,585,957.74/65,868.18
  6. Step 6: Final answer
    x = 27,715.75

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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.