Home / 66,721.40-100,056.84-27,257.36

Finding the Fourth Proportional to 66,721.40, 100,056.84 and 27,257.36

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Solution

The fourth proportional to 66,721.40, 100,056.84 and 27,257.36 is: 40,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,721.40 : 100,056.84 = 27,257.36 : x
  2. Step 2: Convert to fraction form
    66,721.40/100,056.84 = 27,257.36/x
  3. Step 3: Cross multiply
    66,721.40x = 100,056.84 × 27,257.36
  4. Step 4: Simplify right side
    66,721.40x = 2,727,285,308.34
  5. Step 5: Solve for x
    x = 2,727,285,308.34/66,721.40
  6. Step 6: Final answer
    x = 40,875.72

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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.