Home / 29,645.83-40,932.64-18,330.84

Finding the Fourth Proportional to 29,645.83, 40,932.64 and 18,330.84

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Solution

The fourth proportional to 29,645.83, 40,932.64 and 18,330.84 is: 25,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,645.83 : 40,932.64 = 18,330.84 : x
  2. Step 2: Convert to fraction form
    29,645.83/40,932.64 = 18,330.84/x
  3. Step 3: Cross multiply
    29,645.83x = 40,932.64 × 18,330.84
  4. Step 4: Simplify right side
    29,645.83x = 750,329,697.53
  5. Step 5: Solve for x
    x = 750,329,697.53/29,645.83
  6. Step 6: Final answer
    x = 25,309.79

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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.