Home / 37,158.87-51,279.28-21,243.66

Finding the Fourth Proportional to 37,158.87, 51,279.28 and 21,243.66

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Solution

The fourth proportional to 37,158.87, 51,279.28 and 21,243.66 is: 29,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,158.87 : 51,279.28 = 21,243.66 : x
  2. Step 2: Convert to fraction form
    37,158.87/51,279.28 = 21,243.66/x
  3. Step 3: Cross multiply
    37,158.87x = 51,279.28 × 21,243.66
  4. Step 4: Simplify right side
    37,158.87x = 1,089,359,536.26
  5. Step 5: Solve for x
    x = 1,089,359,536.26/37,158.87
  6. Step 6: Final answer
    x = 29,316.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.