Home / 29,614.32-40,811.52-21,216.24

Finding the Fourth Proportional to 29,614.32, 40,811.52 and 21,216.24

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Solution

The fourth proportional to 29,614.32, 40,811.52 and 21,216.24 is: 29,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,614.32 : 40,811.52 = 21,216.24 : x
  2. Step 2: Convert to fraction form
    29,614.32/40,811.52 = 21,216.24/x
  3. Step 3: Cross multiply
    29,614.32x = 40,811.52 × 21,216.24
  4. Step 4: Simplify right side
    29,614.32x = 865,867,003.08
  5. Step 5: Solve for x
    x = 865,867,003.08/29,614.32
  6. Step 6: Final answer
    x = 29,238.12

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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.