Home / 47,900.49-66,103.88-26,680.11

Finding the Fourth Proportional to 47,900.49, 66,103.88 and 26,680.11

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Solution

The fourth proportional to 47,900.49, 66,103.88 and 26,680.11 is: 36,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,900.49 : 66,103.88 = 26,680.11 : x
  2. Step 2: Convert to fraction form
    47,900.49/66,103.88 = 26,680.11/x
  3. Step 3: Cross multiply
    47,900.49x = 66,103.88 × 26,680.11
  4. Step 4: Simplify right side
    47,900.49x = 1,763,658,656.43
  5. Step 5: Solve for x
    x = 1,763,658,656.43/47,900.49
  6. Step 6: Final answer
    x = 36,819.22

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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.