Home / 36,566.72-54,838.74-13,190.12

Finding the Fourth Proportional to 36,566.72, 54,838.74 and 13,190.12

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Solution

The fourth proportional to 36,566.72, 54,838.74 and 13,190.12 is: 19,781.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,566.72 : 54,838.74 = 13,190.12 : x
  2. Step 2: Convert to fraction form
    36,566.72/54,838.74 = 13,190.12/x
  3. Step 3: Cross multiply
    36,566.72x = 54,838.74 × 13,190.12
  4. Step 4: Simplify right side
    36,566.72x = 723,329,561.25
  5. Step 5: Solve for x
    x = 723,329,561.25/36,566.72
  6. Step 6: Final answer
    x = 19,781.09

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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.