Home / 47,981.78-66,193.46-27,826.98

Finding the Fourth Proportional to 47,981.78, 66,193.46 and 27,826.98

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Solution

The fourth proportional to 47,981.78, 66,193.46 and 27,826.98 is: 38,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,981.78 : 66,193.46 = 27,826.98 : x
  2. Step 2: Convert to fraction form
    47,981.78/66,193.46 = 27,826.98/x
  3. Step 3: Cross multiply
    47,981.78x = 66,193.46 × 27,826.98
  4. Step 4: Simplify right side
    47,981.78x = 1,841,963,948.42
  5. Step 5: Solve for x
    x = 1,841,963,948.42/47,981.78
  6. Step 6: Final answer
    x = 38,388.82

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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.