Home / 38,639-53,325.06-24,486.68

Finding the Fourth Proportional to 38,639, 53,325.06 and 24,486.68

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Solution

The fourth proportional to 38,639, 53,325.06 and 24,486.68 is: 33,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639 : 53,325.06 = 24,486.68 : x
  2. Step 2: Convert to fraction form
    38,639/53,325.06 = 24,486.68/x
  3. Step 3: Cross multiply
    38,639x = 53,325.06 × 24,486.68
  4. Step 4: Simplify right side
    38,639x = 1,305,753,680.20
  5. Step 5: Solve for x
    x = 1,305,753,680.20/38,639
  6. Step 6: Final answer
    x = 33,793.67

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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.