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Finding the Fourth Proportional to 63,674.91, 87,867.06 and 34,996.59

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Solution

The fourth proportional to 63,674.91, 87,867.06 and 34,996.59 is: 48,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.91 : 87,867.06 = 34,996.59 : x
  2. Step 2: Convert to fraction form
    63,674.91/87,867.06 = 34,996.59/x
  3. Step 3: Cross multiply
    63,674.91x = 87,867.06 × 34,996.59
  4. Step 4: Simplify right side
    63,674.91x = 3,075,047,473.33
  5. Step 5: Solve for x
    x = 3,075,047,473.33/63,674.91
  6. Step 6: Final answer
    x = 48,292.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.