Home / 66,623.33-91,941.33-39,760.62

Finding the Fourth Proportional to 66,623.33, 91,941.33 and 39,760.62

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Solution

The fourth proportional to 66,623.33, 91,941.33 and 39,760.62 is: 54,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,623.33 : 91,941.33 = 39,760.62 : x
  2. Step 2: Convert to fraction form
    66,623.33/91,941.33 = 39,760.62/x
  3. Step 3: Cross multiply
    66,623.33x = 91,941.33 × 39,760.62
  4. Step 4: Simplify right side
    66,623.33x = 3,655,644,284.42
  5. Step 5: Solve for x
    x = 3,655,644,284.42/66,623.33
  6. Step 6: Final answer
    x = 54,870.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.