Home / 51,432.14-70,982.23-28,776.87

Finding the Fourth Proportional to 51,432.14, 70,982.23 and 28,776.87

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Solution

The fourth proportional to 51,432.14, 70,982.23 and 28,776.87 is: 39,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,432.14 : 70,982.23 = 28,776.87 : x
  2. Step 2: Convert to fraction form
    51,432.14/70,982.23 = 28,776.87/x
  3. Step 3: Cross multiply
    51,432.14x = 70,982.23 × 28,776.87
  4. Step 4: Simplify right side
    51,432.14x = 2,042,646,405.02
  5. Step 5: Solve for x
    x = 2,042,646,405.02/51,432.14
  6. Step 6: Final answer
    x = 39,715.37

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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.