Home / 38,471.09-57,688.08-18,190.94

Finding the Fourth Proportional to 38,471.09, 57,688.08 and 18,190.94

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Solution

The fourth proportional to 38,471.09, 57,688.08 and 18,190.94 is: 27,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,471.09 : 57,688.08 = 18,190.94 : x
  2. Step 2: Convert to fraction form
    38,471.09/57,688.08 = 18,190.94/x
  3. Step 3: Cross multiply
    38,471.09x = 57,688.08 × 18,190.94
  4. Step 4: Simplify right side
    38,471.09x = 1,049,400,113.55
  5. Step 5: Solve for x
    x = 1,049,400,113.55/38,471.09
  6. Step 6: Final answer
    x = 27,277.63

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1.5x scale

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.