Home / 38,982.29-53,795.57-21,077.29

Finding the Fourth Proportional to 38,982.29, 53,795.57 and 21,077.29

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Solution

The fourth proportional to 38,982.29, 53,795.57 and 21,077.29 is: 29,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.29 : 53,795.57 = 21,077.29 : x
  2. Step 2: Convert to fraction form
    38,982.29/53,795.57 = 21,077.29/x
  3. Step 3: Cross multiply
    38,982.29x = 53,795.57 × 21,077.29
  4. Step 4: Simplify right side
    38,982.29x = 1,133,864,829.61
  5. Step 5: Solve for x
    x = 1,133,864,829.61/38,982.29
  6. Step 6: Final answer
    x = 29,086.67

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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.