Home / 51,461.50-71,016.87-27,909.50

Finding the Fourth Proportional to 51,461.50, 71,016.87 and 27,909.50

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Solution

The fourth proportional to 51,461.50, 71,016.87 and 27,909.50 is: 38,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,461.50 : 71,016.87 = 27,909.50 : x
  2. Step 2: Convert to fraction form
    51,461.50/71,016.87 = 27,909.50/x
  3. Step 3: Cross multiply
    51,461.50x = 71,016.87 × 27,909.50
  4. Step 4: Simplify right side
    51,461.50x = 1,982,045,333.27
  5. Step 5: Solve for x
    x = 1,982,045,333.27/51,461.50
  6. Step 6: Final answer
    x = 38,515.11

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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.