Home / 66,639.51-99,955.08-22,262.45

Finding the Fourth Proportional to 66,639.51, 99,955.08 and 22,262.45

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Solution

The fourth proportional to 66,639.51, 99,955.08 and 22,262.45 is: 33,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,639.51 : 99,955.08 = 22,262.45 : x
  2. Step 2: Convert to fraction form
    66,639.51/99,955.08 = 22,262.45/x
  3. Step 3: Cross multiply
    66,639.51x = 99,955.08 × 22,262.45
  4. Step 4: Simplify right side
    66,639.51x = 2,225,244,470.97
  5. Step 5: Solve for x
    x = 2,225,244,470.97/66,639.51
  6. Step 6: Final answer
    x = 33,392.27

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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.