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Finding the Fourth Proportional to 63,126.71, 94,673.76 and 18,743.42

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Solution

The fourth proportional to 63,126.71, 94,673.76 and 18,743.42 is: 28,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.71 : 94,673.76 = 18,743.42 : x
  2. Step 2: Convert to fraction form
    63,126.71/94,673.76 = 18,743.42/x
  3. Step 3: Cross multiply
    63,126.71x = 94,673.76 × 18,743.42
  4. Step 4: Simplify right side
    63,126.71x = 1,774,510,046.66
  5. Step 5: Solve for x
    x = 1,774,510,046.66/63,126.71
  6. Step 6: Final answer
    x = 28,110.29

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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.