Home / 30,055.05-45,033.17-18,934.16

Finding the Fourth Proportional to 30,055.05, 45,033.17 and 18,934.16

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Solution

The fourth proportional to 30,055.05, 45,033.17 and 18,934.16 is: 28,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,055.05 : 45,033.17 = 18,934.16 : x
  2. Step 2: Convert to fraction form
    30,055.05/45,033.17 = 18,934.16/x
  3. Step 3: Cross multiply
    30,055.05x = 45,033.17 × 18,934.16
  4. Step 4: Simplify right side
    30,055.05x = 852,664,926.25
  5. Step 5: Solve for x
    x = 852,664,926.25/30,055.05
  6. Step 6: Final answer
    x = 28,370.11

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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.