Home / 64,314.91-96,476-19,947.97

Finding the Fourth Proportional to 64,314.91, 96,476 and 19,947.97

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Solution

The fourth proportional to 64,314.91, 96,476 and 19,947.97 is: 29,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,314.91 : 96,476 = 19,947.97 : x
  2. Step 2: Convert to fraction form
    64,314.91/96,476 = 19,947.97/x
  3. Step 3: Cross multiply
    64,314.91x = 96,476 × 19,947.97
  4. Step 4: Simplify right side
    64,314.91x = 1,924,500,353.72
  5. Step 5: Solve for x
    x = 1,924,500,353.72/64,314.91
  6. Step 6: Final answer
    x = 29,923.08

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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.