Home / 29,338.64-40,492.68-18,731.60

Finding the Fourth Proportional to 29,338.64, 40,492.68 and 18,731.60

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Solution

The fourth proportional to 29,338.64, 40,492.68 and 18,731.60 is: 25,853.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,338.64 : 40,492.68 = 18,731.60 : x
  2. Step 2: Convert to fraction form
    29,338.64/40,492.68 = 18,731.60/x
  3. Step 3: Cross multiply
    29,338.64x = 40,492.68 × 18,731.60
  4. Step 4: Simplify right side
    29,338.64x = 758,492,684.69
  5. Step 5: Solve for x
    x = 758,492,684.69/29,338.64
  6. Step 6: Final answer
    x = 25,853.03

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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.