Home / 66,433.19-99,632.75-19,675.13

Finding the Fourth Proportional to 66,433.19, 99,632.75 and 19,675.13

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Solution

The fourth proportional to 66,433.19, 99,632.75 and 19,675.13 is: 29,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433.19 : 99,632.75 = 19,675.13 : x
  2. Step 2: Convert to fraction form
    66,433.19/99,632.75 = 19,675.13/x
  3. Step 3: Cross multiply
    66,433.19x = 99,632.75 × 19,675.13
  4. Step 4: Simplify right side
    66,433.19x = 1,960,286,711.97
  5. Step 5: Solve for x
    x = 1,960,286,711.97/66,433.19
  6. Step 6: Final answer
    x = 29,507.64

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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.