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Finding the Fourth Proportional to 63,799.74, 95,710.95 and 19,421.46

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Solution

The fourth proportional to 63,799.74, 95,710.95 and 19,421.46 is: 29,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,799.74 : 95,710.95 = 19,421.46 : x
  2. Step 2: Convert to fraction form
    63,799.74/95,710.95 = 19,421.46/x
  3. Step 3: Cross multiply
    63,799.74x = 95,710.95 × 19,421.46
  4. Step 4: Simplify right side
    63,799.74x = 1,858,846,386.99
  5. Step 5: Solve for x
    x = 1,858,846,386.99/63,799.74
  6. Step 6: Final answer
    x = 29,135.64

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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.