Home / 23,045.91-34,541.52-20,388.70

Finding the Fourth Proportional to 23,045.91, 34,541.52 and 20,388.70

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Solution

The fourth proportional to 23,045.91, 34,541.52 and 20,388.70 is: 30,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,045.91 : 34,541.52 = 20,388.70 : x
  2. Step 2: Convert to fraction form
    23,045.91/34,541.52 = 20,388.70/x
  3. Step 3: Cross multiply
    23,045.91x = 34,541.52 × 20,388.70
  4. Step 4: Simplify right side
    23,045.91x = 704,256,688.82
  5. Step 5: Solve for x
    x = 704,256,688.82/23,045.91
  6. Step 6: Final answer
    x = 30,558.86

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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.