Home / 30,178.08-45,267.46-9,118.29

Finding the Fourth Proportional to 30,178.08, 45,267.46 and 9,118.29

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Solution

The fourth proportional to 30,178.08, 45,267.46 and 9,118.29 is: 13,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.08 : 45,267.46 = 9,118.29 : x
  2. Step 2: Convert to fraction form
    30,178.08/45,267.46 = 9,118.29/x
  3. Step 3: Cross multiply
    30,178.08x = 45,267.46 × 9,118.29
  4. Step 4: Simplify right side
    30,178.08x = 412,761,974.80
  5. Step 5: Solve for x
    x = 412,761,974.80/30,178.08
  6. Step 6: Final answer
    x = 13,677.54

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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.