Home / 64,138.23-96,216.90-19,761.27

Finding the Fourth Proportional to 64,138.23, 96,216.90 and 19,761.27

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Solution

The fourth proportional to 64,138.23, 96,216.90 and 19,761.27 is: 29,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,138.23 : 96,216.90 = 19,761.27 : x
  2. Step 2: Convert to fraction form
    64,138.23/96,216.90 = 19,761.27/x
  3. Step 3: Cross multiply
    64,138.23x = 96,216.90 × 19,761.27
  4. Step 4: Simplify right side
    64,138.23x = 1,901,368,139.46
  5. Step 5: Solve for x
    x = 1,901,368,139.46/64,138.23
  6. Step 6: Final answer
    x = 29,644.85

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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.