Home / 30,035.18-45,052.17-8,975.28

Finding the Fourth Proportional to 30,035.18, 45,052.17 and 8,975.28

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Solution

The fourth proportional to 30,035.18, 45,052.17 and 8,975.28 is: 13,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.18 : 45,052.17 = 8,975.28 : x
  2. Step 2: Convert to fraction form
    30,035.18/45,052.17 = 8,975.28/x
  3. Step 3: Cross multiply
    30,035.18x = 45,052.17 × 8,975.28
  4. Step 4: Simplify right side
    30,035.18x = 404,355,975.65
  5. Step 5: Solve for x
    x = 404,355,975.65/30,035.18
  6. Step 6: Final answer
    x = 13,462.74

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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.