Home / 36,219.71-54,301.61-13,730.06

Finding the Fourth Proportional to 36,219.71, 54,301.61 and 13,730.06

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Solution

The fourth proportional to 36,219.71, 54,301.61 and 13,730.06 is: 20,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,219.71 : 54,301.61 = 13,730.06 : x
  2. Step 2: Convert to fraction form
    36,219.71/54,301.61 = 13,730.06/x
  3. Step 3: Cross multiply
    36,219.71x = 54,301.61 × 13,730.06
  4. Step 4: Simplify right side
    36,219.71x = 745,564,363.40
  5. Step 5: Solve for x
    x = 745,564,363.40/36,219.71
  6. Step 6: Final answer
    x = 20,584.49

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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.