Home / 66,042.28-91,138.62-37,748.92

Finding the Fourth Proportional to 66,042.28, 91,138.62 and 37,748.92

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Solution

The fourth proportional to 66,042.28, 91,138.62 and 37,748.92 is: 52,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,042.28 : 91,138.62 = 37,748.92 : x
  2. Step 2: Convert to fraction form
    66,042.28/91,138.62 = 37,748.92/x
  3. Step 3: Cross multiply
    66,042.28x = 91,138.62 × 37,748.92
  4. Step 4: Simplify right side
    66,042.28x = 3,440,384,475.29
  5. Step 5: Solve for x
    x = 3,440,384,475.29/66,042.28
  6. Step 6: Final answer
    x = 52,093.67

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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.