Home / 51,035.25-70,425.21-28,372.47

Finding the Fourth Proportional to 51,035.25, 70,425.21 and 28,372.47

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Solution

The fourth proportional to 51,035.25, 70,425.21 and 28,372.47 is: 39,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,035.25 : 70,425.21 = 28,372.47 : x
  2. Step 2: Convert to fraction form
    51,035.25/70,425.21 = 28,372.47/x
  3. Step 3: Cross multiply
    51,035.25x = 70,425.21 × 28,372.47
  4. Step 4: Simplify right side
    51,035.25x = 1,998,137,157.97
  5. Step 5: Solve for x
    x = 1,998,137,157.97/51,035.25
  6. Step 6: Final answer
    x = 39,152.10

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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.