Home / 39,061.31-58,591.94-9,479.12

Finding the Fourth Proportional to 39,061.31, 58,591.94 and 9,479.12

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Solution

The fourth proportional to 39,061.31, 58,591.94 and 9,479.12 is: 14,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,061.31 : 58,591.94 = 9,479.12 : x
  2. Step 2: Convert to fraction form
    39,061.31/58,591.94 = 9,479.12/x
  3. Step 3: Cross multiply
    39,061.31x = 58,591.94 × 9,479.12
  4. Step 4: Simplify right side
    39,061.31x = 555,399,689.94
  5. Step 5: Solve for x
    x = 555,399,689.94/39,061.31
  6. Step 6: Final answer
    x = 14,218.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.