Home / 51,280.44-70,767-28,310.26

Finding the Fourth Proportional to 51,280.44, 70,767 and 28,310.26

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Solution

The fourth proportional to 51,280.44, 70,767 and 28,310.26 is: 39,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,280.44 : 70,767 = 28,310.26 : x
  2. Step 2: Convert to fraction form
    51,280.44/70,767 = 28,310.26/x
  3. Step 3: Cross multiply
    51,280.44x = 70,767 × 28,310.26
  4. Step 4: Simplify right side
    51,280.44x = 2,003,432,169.42
  5. Step 5: Solve for x
    x = 2,003,432,169.42/51,280.44
  6. Step 6: Final answer
    x = 39,068.15

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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.