Home / 51,631.22-71,246.72-28,967.16

Finding the Fourth Proportional to 51,631.22, 71,246.72 and 28,967.16

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Solution

The fourth proportional to 51,631.22, 71,246.72 and 28,967.16 is: 39,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,631.22 : 71,246.72 = 28,967.16 : x
  2. Step 2: Convert to fraction form
    51,631.22/71,246.72 = 28,967.16/x
  3. Step 3: Cross multiply
    51,631.22x = 71,246.72 × 28,967.16
  4. Step 4: Simplify right side
    51,631.22x = 2,063,815,137.72
  5. Step 5: Solve for x
    x = 2,063,815,137.72/51,631.22
  6. Step 6: Final answer
    x = 39,972.23

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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.