Home / 36,501.03-54,740.61-13,122

Finding the Fourth Proportional to 36,501.03, 54,740.61 and 13,122

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Solution

The fourth proportional to 36,501.03, 54,740.61 and 13,122 is: 19,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,501.03 : 54,740.61 = 13,122 : x
  2. Step 2: Convert to fraction form
    36,501.03/54,740.61 = 13,122/x
  3. Step 3: Cross multiply
    36,501.03x = 54,740.61 × 13,122
  4. Step 4: Simplify right side
    36,501.03x = 718,306,284.42
  5. Step 5: Solve for x
    x = 718,306,284.42/36,501.03
  6. Step 6: Final answer
    x = 19,679.07

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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.