Home / 51,181.48-70,618.08-28,825.48

Finding the Fourth Proportional to 51,181.48, 70,618.08 and 28,825.48

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Solution

The fourth proportional to 51,181.48, 70,618.08 and 28,825.48 is: 39,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,181.48 : 70,618.08 = 28,825.48 : x
  2. Step 2: Convert to fraction form
    51,181.48/70,618.08 = 28,825.48/x
  3. Step 3: Cross multiply
    51,181.48x = 70,618.08 × 28,825.48
  4. Step 4: Simplify right side
    51,181.48x = 2,035,600,052.68
  5. Step 5: Solve for x
    x = 2,035,600,052.68/51,181.48
  6. Step 6: Final answer
    x = 39,772.20

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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.