Home / 36,566.10-54,837.80-13,189.50

Finding the Fourth Proportional to 36,566.10, 54,837.80 and 13,189.50

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Solution

The fourth proportional to 36,566.10, 54,837.80 and 13,189.50 is: 19,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,566.10 : 54,837.80 = 13,189.50 : x
  2. Step 2: Convert to fraction form
    36,566.10/54,837.80 = 13,189.50/x
  3. Step 3: Cross multiply
    36,566.10x = 54,837.80 × 13,189.50
  4. Step 4: Simplify right side
    36,566.10x = 723,283,163.10
  5. Step 5: Solve for x
    x = 723,283,163.10/36,566.10
  6. Step 6: Final answer
    x = 19,780.16

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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.