Home / 33,291.61-45,948.87-21,968.42

Finding the Fourth Proportional to 33,291.61, 45,948.87 and 21,968.42

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Solution

The fourth proportional to 33,291.61, 45,948.87 and 21,968.42 is: 30,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,291.61 : 45,948.87 = 21,968.42 : x
  2. Step 2: Convert to fraction form
    33,291.61/45,948.87 = 21,968.42/x
  3. Step 3: Cross multiply
    33,291.61x = 45,948.87 × 21,968.42
  4. Step 4: Simplify right side
    33,291.61x = 1,009,423,844.94
  5. Step 5: Solve for x
    x = 1,009,423,844.94/33,291.61
  6. Step 6: Final answer
    x = 30,320.67

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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.