Home / 42,851.32-59,121.05-27,755.55

Finding the Fourth Proportional to 42,851.32, 59,121.05 and 27,755.55

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Solution

The fourth proportional to 42,851.32, 59,121.05 and 27,755.55 is: 38,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,851.32 : 59,121.05 = 27,755.55 : x
  2. Step 2: Convert to fraction form
    42,851.32/59,121.05 = 27,755.55/x
  3. Step 3: Cross multiply
    42,851.32x = 59,121.05 × 27,755.55
  4. Step 4: Simplify right side
    42,851.32x = 1,640,937,259.33
  5. Step 5: Solve for x
    x = 1,640,937,259.33/42,851.32
  6. Step 6: Final answer
    x = 38,293.74

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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.