Home / 50,812.16-70,122.88-28,456.32

Finding the Fourth Proportional to 50,812.16, 70,122.88 and 28,456.32

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Solution

The fourth proportional to 50,812.16, 70,122.88 and 28,456.32 is: 39,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,812.16 : 70,122.88 = 28,456.32 : x
  2. Step 2: Convert to fraction form
    50,812.16/70,122.88 = 28,456.32/x
  3. Step 3: Cross multiply
    50,812.16x = 70,122.88 × 28,456.32
  4. Step 4: Simplify right side
    50,812.16x = 1,995,439,112.60
  5. Step 5: Solve for x
    x = 1,995,439,112.60/50,812.16
  6. Step 6: Final answer
    x = 39,270.90

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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.