Home / 30,417.14-45,622.23-8,229.20

Finding the Fourth Proportional to 30,417.14, 45,622.23 and 8,229.20

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Solution

The fourth proportional to 30,417.14, 45,622.23 and 8,229.20 is: 12,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.14 : 45,622.23 = 8,229.20 : x
  2. Step 2: Convert to fraction form
    30,417.14/45,622.23 = 8,229.20/x
  3. Step 3: Cross multiply
    30,417.14x = 45,622.23 × 8,229.20
  4. Step 4: Simplify right side
    30,417.14x = 375,434,455.12
  5. Step 5: Solve for x
    x = 375,434,455.12/30,417.14
  6. Step 6: Final answer
    x = 12,342.86

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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.