Home / 45,008.05-67,492.62-18,694.81

Finding the Fourth Proportional to 45,008.05, 67,492.62 and 18,694.81

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Solution

The fourth proportional to 45,008.05, 67,492.62 and 18,694.81 is: 28,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,008.05 : 67,492.62 = 18,694.81 : x
  2. Step 2: Convert to fraction form
    45,008.05/67,492.62 = 18,694.81/x
  3. Step 3: Cross multiply
    45,008.05x = 67,492.62 × 18,694.81
  4. Step 4: Simplify right side
    45,008.05x = 1,261,761,707.30
  5. Step 5: Solve for x
    x = 1,261,761,707.30/45,008.05
  6. Step 6: Final answer
    x = 28,034.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.