Home / 30,601.78-45,826.53-19,475.62

Finding the Fourth Proportional to 30,601.78, 45,826.53 and 19,475.62

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Solution

The fourth proportional to 30,601.78, 45,826.53 and 19,475.62 is: 29,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.78 : 45,826.53 = 19,475.62 : x
  2. Step 2: Convert to fraction form
    30,601.78/45,826.53 = 19,475.62/x
  3. Step 3: Cross multiply
    30,601.78x = 45,826.53 × 19,475.62
  4. Step 4: Simplify right side
    30,601.78x = 892,500,084.20
  5. Step 5: Solve for x
    x = 892,500,084.20/30,601.78
  6. Step 6: Final answer
    x = 29,164.97

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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.