Home / 40,738.49-61,109.55-11,155.67

Finding the Fourth Proportional to 40,738.49, 61,109.55 and 11,155.67

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Solution

The fourth proportional to 40,738.49, 61,109.55 and 11,155.67 is: 16,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,738.49 : 61,109.55 = 11,155.67 : x
  2. Step 2: Convert to fraction form
    40,738.49/61,109.55 = 11,155.67/x
  3. Step 3: Cross multiply
    40,738.49x = 61,109.55 × 11,155.67
  4. Step 4: Simplify right side
    40,738.49x = 681,717,668.10
  5. Step 5: Solve for x
    x = 681,717,668.10/40,738.49
  6. Step 6: Final answer
    x = 16,734.00

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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.