Home / 66,246.16-99,366.60-21,871.60

Finding the Fourth Proportional to 66,246.16, 99,366.60 and 21,871.60

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Solution

The fourth proportional to 66,246.16, 99,366.60 and 21,871.60 is: 32,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,246.16 : 99,366.60 = 21,871.60 : x
  2. Step 2: Convert to fraction form
    66,246.16/99,366.60 = 21,871.60/x
  3. Step 3: Cross multiply
    66,246.16x = 99,366.60 × 21,871.60
  4. Step 4: Simplify right side
    66,246.16x = 2,173,306,528.56
  5. Step 5: Solve for x
    x = 2,173,306,528.56/66,246.16
  6. Step 6: Final answer
    x = 32,806.53

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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.