Home / 30,066.95-41,505.17-18,742.09

Finding the Fourth Proportional to 30,066.95, 41,505.17 and 18,742.09

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Solution

The fourth proportional to 30,066.95, 41,505.17 and 18,742.09 is: 25,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.95 : 41,505.17 = 18,742.09 : x
  2. Step 2: Convert to fraction form
    30,066.95/41,505.17 = 18,742.09/x
  3. Step 3: Cross multiply
    30,066.95x = 41,505.17 × 18,742.09
  4. Step 4: Simplify right side
    30,066.95x = 777,893,631.61
  5. Step 5: Solve for x
    x = 777,893,631.61/30,066.95
  6. Step 6: Final answer
    x = 25,872.05

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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.