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Finding the Fourth Proportional to 64,029.71, 96,055.83 and 21,899.90

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Solution

The fourth proportional to 64,029.71, 96,055.83 and 21,899.90 is: 32,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,029.71 : 96,055.83 = 21,899.90 : x
  2. Step 2: Convert to fraction form
    64,029.71/96,055.83 = 21,899.90/x
  3. Step 3: Cross multiply
    64,029.71x = 96,055.83 × 21,899.90
  4. Step 4: Simplify right side
    64,029.71x = 2,103,612,591.14
  5. Step 5: Solve for x
    x = 2,103,612,591.14/64,029.71
  6. Step 6: Final answer
    x = 32,853.70

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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.