Home / 53,988.40-74,538.68-33,872.88

Finding the Fourth Proportional to 53,988.40, 74,538.68 and 33,872.88

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Solution

The fourth proportional to 53,988.40, 74,538.68 and 33,872.88 is: 46,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988.40 : 74,538.68 = 33,872.88 : x
  2. Step 2: Convert to fraction form
    53,988.40/74,538.68 = 33,872.88/x
  3. Step 3: Cross multiply
    53,988.40x = 74,538.68 × 33,872.88
  4. Step 4: Simplify right side
    53,988.40x = 2,524,839,763.00
  5. Step 5: Solve for x
    x = 2,524,839,763.00/53,988.40
  6. Step 6: Final answer
    x = 46,766.34

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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.