Home / 30,638.46-45,967.60-15,045.16

Finding the Fourth Proportional to 30,638.46, 45,967.60 and 15,045.16

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Solution

The fourth proportional to 30,638.46, 45,967.60 and 15,045.16 is: 22,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,638.46 : 45,967.60 = 15,045.16 : x
  2. Step 2: Convert to fraction form
    30,638.46/45,967.60 = 15,045.16/x
  3. Step 3: Cross multiply
    30,638.46x = 45,967.60 × 15,045.16
  4. Step 4: Simplify right side
    30,638.46x = 691,589,896.82
  5. Step 5: Solve for x
    x = 691,589,896.82/30,638.46
  6. Step 6: Final answer
    x = 22,572.61

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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.