Home / 48,130.78-66,393.82-27,985.44

Finding the Fourth Proportional to 48,130.78, 66,393.82 and 27,985.44

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Solution

The fourth proportional to 48,130.78, 66,393.82 and 27,985.44 is: 38,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,130.78 : 66,393.82 = 27,985.44 : x
  2. Step 2: Convert to fraction form
    48,130.78/66,393.82 = 27,985.44/x
  3. Step 3: Cross multiply
    48,130.78x = 66,393.82 × 27,985.44
  4. Step 4: Simplify right side
    48,130.78x = 1,858,060,265.98
  5. Step 5: Solve for x
    x = 1,858,060,265.98/48,130.78
  6. Step 6: Final answer
    x = 38,604.41

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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.