Home / 37,883.11-52,278.75-21,976.81

Finding the Fourth Proportional to 37,883.11, 52,278.75 and 21,976.81

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Solution

The fourth proportional to 37,883.11, 52,278.75 and 21,976.81 is: 30,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,883.11 : 52,278.75 = 21,976.81 : x
  2. Step 2: Convert to fraction form
    37,883.11/52,278.75 = 21,976.81/x
  3. Step 3: Cross multiply
    37,883.11x = 52,278.75 × 21,976.81
  4. Step 4: Simplify right side
    37,883.11x = 1,148,920,155.79
  5. Step 5: Solve for x
    x = 1,148,920,155.79/37,883.11
  6. Step 6: Final answer
    x = 30,328.03

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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.