Home / 39,054.20-58,581.30-9,471.78

Finding the Fourth Proportional to 39,054.20, 58,581.30 and 9,471.78

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Solution

The fourth proportional to 39,054.20, 58,581.30 and 9,471.78 is: 14,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,054.20 : 58,581.30 = 9,471.78 : x
  2. Step 2: Convert to fraction form
    39,054.20/58,581.30 = 9,471.78/x
  3. Step 3: Cross multiply
    39,054.20x = 58,581.30 × 9,471.78
  4. Step 4: Simplify right side
    39,054.20x = 554,869,153.40
  5. Step 5: Solve for x
    x = 554,869,153.40/39,054.20
  6. Step 6: Final answer
    x = 14,207.67

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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.