Home / 36,071.07-54,109.70-9,420.62

Finding the Fourth Proportional to 36,071.07, 54,109.70 and 9,420.62

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Solution

The fourth proportional to 36,071.07, 54,109.70 and 9,420.62 is: 14,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.07 : 54,109.70 = 9,420.62 : x
  2. Step 2: Convert to fraction form
    36,071.07/54,109.70 = 9,420.62/x
  3. Step 3: Cross multiply
    36,071.07x = 54,109.70 × 9,420.62
  4. Step 4: Simplify right side
    36,071.07x = 509,746,604.36
  5. Step 5: Solve for x
    x = 509,746,604.36/36,071.07
  6. Step 6: Final answer
    x = 14,131.73

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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.