Home / 33,248.28-45,875.96-21,153.56

Finding the Fourth Proportional to 33,248.28, 45,875.96 and 21,153.56

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Solution

The fourth proportional to 33,248.28, 45,875.96 and 21,153.56 is: 29,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,248.28 : 45,875.96 = 21,153.56 : x
  2. Step 2: Convert to fraction form
    33,248.28/45,875.96 = 21,153.56/x
  3. Step 3: Cross multiply
    33,248.28x = 45,875.96 × 21,153.56
  4. Step 4: Simplify right side
    33,248.28x = 970,439,872.42
  5. Step 5: Solve for x
    x = 970,439,872.42/33,248.28
  6. Step 6: Final answer
    x = 29,187.67

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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.