Home / 64,142.15-96,216.46-19,799.24

Finding the Fourth Proportional to 64,142.15, 96,216.46 and 19,799.24

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Solution

The fourth proportional to 64,142.15, 96,216.46 and 19,799.24 is: 29,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,142.15 : 96,216.46 = 19,799.24 : x
  2. Step 2: Convert to fraction form
    64,142.15/96,216.46 = 19,799.24/x
  3. Step 3: Cross multiply
    64,142.15x = 96,216.46 × 19,799.24
  4. Step 4: Simplify right side
    64,142.15x = 1,905,012,252.91
  5. Step 5: Solve for x
    x = 1,905,012,252.91/64,142.15
  6. Step 6: Final answer
    x = 29,699.85

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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.