Home / 36,172.34-54,271.56-19,287.59

Finding the Fourth Proportional to 36,172.34, 54,271.56 and 19,287.59

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Solution

The fourth proportional to 36,172.34, 54,271.56 and 19,287.59 is: 28,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.34 : 54,271.56 = 19,287.59 : x
  2. Step 2: Convert to fraction form
    36,172.34/54,271.56 = 19,287.59/x
  3. Step 3: Cross multiply
    36,172.34x = 54,271.56 × 19,287.59
  4. Step 4: Simplify right side
    36,172.34x = 1,046,767,230.14
  5. Step 5: Solve for x
    x = 1,046,767,230.14/36,172.34
  6. Step 6: Final answer
    x = 28,938.33

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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.