Home / 66,423.24-99,660.78-38,328.46

Finding the Fourth Proportional to 66,423.24, 99,660.78 and 38,328.46

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Solution

The fourth proportional to 66,423.24, 99,660.78 and 38,328.46 is: 57,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.24 : 99,660.78 = 38,328.46 : x
  2. Step 2: Convert to fraction form
    66,423.24/99,660.78 = 38,328.46/x
  3. Step 3: Cross multiply
    66,423.24x = 99,660.78 × 38,328.46
  4. Step 4: Simplify right side
    66,423.24x = 3,819,843,970.65
  5. Step 5: Solve for x
    x = 3,819,843,970.65/66,423.24
  6. Step 6: Final answer
    x = 57,507.64

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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.