Home / 42,161.72-58,084.38-29,391.70

Finding the Fourth Proportional to 42,161.72, 58,084.38 and 29,391.70

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Solution

The fourth proportional to 42,161.72, 58,084.38 and 29,391.70 is: 40,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,161.72 : 58,084.38 = 29,391.70 : x
  2. Step 2: Convert to fraction form
    42,161.72/58,084.38 = 29,391.70/x
  3. Step 3: Cross multiply
    42,161.72x = 58,084.38 × 29,391.70
  4. Step 4: Simplify right side
    42,161.72x = 1,707,198,744.25
  5. Step 5: Solve for x
    x = 1,707,198,744.25/42,161.72
  6. Step 6: Final answer
    x = 40,491.67

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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.