Home / 37,881.20-52,277.66-21,114.20

Finding the Fourth Proportional to 37,881.20, 52,277.66 and 21,114.20

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Solution

The fourth proportional to 37,881.20, 52,277.66 and 21,114.20 is: 29,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,881.20 : 52,277.66 = 21,114.20 : x
  2. Step 2: Convert to fraction form
    37,881.20/52,277.66 = 21,114.20/x
  3. Step 3: Cross multiply
    37,881.20x = 52,277.66 × 21,114.20
  4. Step 4: Simplify right side
    37,881.20x = 1,103,800,601.81
  5. Step 5: Solve for x
    x = 1,103,800,601.81/37,881.20
  6. Step 6: Final answer
    x = 29,138.48

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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.