Home / 29,680.30-40,959.32-18,349.51

Finding the Fourth Proportional to 29,680.30, 40,959.32 and 18,349.51

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Solution

The fourth proportional to 29,680.30, 40,959.32 and 18,349.51 is: 25,322.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680.30 : 40,959.32 = 18,349.51 : x
  2. Step 2: Convert to fraction form
    29,680.30/40,959.32 = 18,349.51/x
  3. Step 3: Cross multiply
    29,680.30x = 40,959.32 × 18,349.51
  4. Step 4: Simplify right side
    29,680.30x = 751,583,257.79
  5. Step 5: Solve for x
    x = 751,583,257.79/29,680.30
  6. Step 6: Final answer
    x = 25,322.63

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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.