Home / 30,959.55-42,627.06-27,321.84

Finding the Fourth Proportional to 30,959.55, 42,627.06 and 27,321.84

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Solution

The fourth proportional to 30,959.55, 42,627.06 and 27,321.84 is: 37,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959.55 : 42,627.06 = 27,321.84 : x
  2. Step 2: Convert to fraction form
    30,959.55/42,627.06 = 27,321.84/x
  3. Step 3: Cross multiply
    30,959.55x = 42,627.06 × 27,321.84
  4. Step 4: Simplify right side
    30,959.55x = 1,164,649,712.99
  5. Step 5: Solve for x
    x = 1,164,649,712.99/30,959.55
  6. Step 6: Final answer
    x = 37,618.43

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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.