Home / 40,311.78-55,636.38-29,018.67

Finding the Fourth Proportional to 40,311.78, 55,636.38 and 29,018.67

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Solution

The fourth proportional to 40,311.78, 55,636.38 and 29,018.67 is: 40,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.78 : 55,636.38 = 29,018.67 : x
  2. Step 2: Convert to fraction form
    40,311.78/55,636.38 = 29,018.67/x
  3. Step 3: Cross multiply
    40,311.78x = 55,636.38 × 29,018.67
  4. Step 4: Simplify right side
    40,311.78x = 1,614,493,751.21
  5. Step 5: Solve for x
    x = 1,614,493,751.21/40,311.78
  6. Step 6: Final answer
    x = 40,050.17

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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.