Home / 34,203.91-47,202.19-21,457.64

Finding the Fourth Proportional to 34,203.91, 47,202.19 and 21,457.64

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Solution

The fourth proportional to 34,203.91, 47,202.19 and 21,457.64 is: 29,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,203.91 : 47,202.19 = 21,457.64 : x
  2. Step 2: Convert to fraction form
    34,203.91/47,202.19 = 21,457.64/x
  3. Step 3: Cross multiply
    34,203.91x = 47,202.19 × 21,457.64
  4. Step 4: Simplify right side
    34,203.91x = 1,012,847,600.23
  5. Step 5: Solve for x
    x = 1,012,847,600.23/34,203.91
  6. Step 6: Final answer
    x = 29,612.04

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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.