Home / 29,341.36-40,438.20-21,370.96

Finding the Fourth Proportional to 29,341.36, 40,438.20 and 21,370.96

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Solution

The fourth proportional to 29,341.36, 40,438.20 and 21,370.96 is: 29,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,341.36 : 40,438.20 = 21,370.96 : x
  2. Step 2: Convert to fraction form
    29,341.36/40,438.20 = 21,370.96/x
  3. Step 3: Cross multiply
    29,341.36x = 40,438.20 × 21,370.96
  4. Step 4: Simplify right side
    29,341.36x = 864,203,154.67
  5. Step 5: Solve for x
    x = 864,203,154.67/29,341.36
  6. Step 6: Final answer
    x = 29,453.41

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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.