Home / 33,087.76-45,665.67-20,348.98

Finding the Fourth Proportional to 33,087.76, 45,665.67 and 20,348.98

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Solution

The fourth proportional to 33,087.76, 45,665.67 and 20,348.98 is: 28,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.76 : 45,665.67 = 20,348.98 : x
  2. Step 2: Convert to fraction form
    33,087.76/45,665.67 = 20,348.98/x
  3. Step 3: Cross multiply
    33,087.76x = 45,665.67 × 20,348.98
  4. Step 4: Simplify right side
    33,087.76x = 929,249,805.52
  5. Step 5: Solve for x
    x = 929,249,805.52/33,087.76
  6. Step 6: Final answer
    x = 28,084.40

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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.