Home / 30,306.60-45,467.16-9,530.10

Finding the Fourth Proportional to 30,306.60, 45,467.16 and 9,530.10

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Solution

The fourth proportional to 30,306.60, 45,467.16 and 9,530.10 is: 14,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.60 : 45,467.16 = 9,530.10 : x
  2. Step 2: Convert to fraction form
    30,306.60/45,467.16 = 9,530.10/x
  3. Step 3: Cross multiply
    30,306.60x = 45,467.16 × 9,530.10
  4. Step 4: Simplify right side
    30,306.60x = 433,306,581.52
  5. Step 5: Solve for x
    x = 433,306,581.52/30,306.60
  6. Step 6: Final answer
    x = 14,297.43

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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.