Home / 30,638.46-45,967.59-15,045.15

Finding the Fourth Proportional to 30,638.46, 45,967.59 and 15,045.15

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Solution

The fourth proportional to 30,638.46, 45,967.59 and 15,045.15 is: 22,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,638.46 : 45,967.59 = 15,045.15 : x
  2. Step 2: Convert to fraction form
    30,638.46/45,967.59 = 15,045.15/x
  3. Step 3: Cross multiply
    30,638.46x = 45,967.59 × 15,045.15
  4. Step 4: Simplify right side
    30,638.46x = 691,589,286.69
  5. Step 5: Solve for x
    x = 691,589,286.69/30,638.46
  6. Step 6: Final answer
    x = 22,572.59

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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.