Home / 37,155.11-51,274.04-21,239.90

Finding the Fourth Proportional to 37,155.11, 51,274.04 and 21,239.90

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Solution

The fourth proportional to 37,155.11, 51,274.04 and 21,239.90 is: 29,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155.11 : 51,274.04 = 21,239.90 : x
  2. Step 2: Convert to fraction form
    37,155.11/51,274.04 = 21,239.90/x
  3. Step 3: Cross multiply
    37,155.11x = 51,274.04 × 21,239.90
  4. Step 4: Simplify right side
    37,155.11x = 1,089,055,119.63
  5. Step 5: Solve for x
    x = 1,089,055,119.63/37,155.11
  6. Step 6: Final answer
    x = 29,311.05

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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.