Home / 36,316.93-54,491.82-18,538.40

Finding the Fourth Proportional to 36,316.93, 54,491.82 and 18,538.40

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Solution

The fourth proportional to 36,316.93, 54,491.82 and 18,538.40 is: 27,815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316.93 : 54,491.82 = 18,538.40 : x
  2. Step 2: Convert to fraction form
    36,316.93/54,491.82 = 18,538.40/x
  3. Step 3: Cross multiply
    36,316.93x = 54,491.82 × 18,538.40
  4. Step 4: Simplify right side
    36,316.93x = 1,010,191,063.20
  5. Step 5: Solve for x
    x = 1,010,191,063.20/36,316.93
  6. Step 6: Final answer
    x = 27,815.99

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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.