Home / 66,629.97-99,875.30-31,527.81

Finding the Fourth Proportional to 66,629.97, 99,875.30 and 31,527.81

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Solution

The fourth proportional to 66,629.97, 99,875.30 and 31,527.81 is: 47,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,629.97 : 99,875.30 = 31,527.81 : x
  2. Step 2: Convert to fraction form
    66,629.97/99,875.30 = 31,527.81/x
  3. Step 3: Cross multiply
    66,629.97x = 99,875.30 × 31,527.81
  4. Step 4: Simplify right side
    66,629.97x = 3,148,849,324.45
  5. Step 5: Solve for x
    x = 3,148,849,324.45/66,629.97
  6. Step 6: Final answer
    x = 47,258.75

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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.