Home / 47,951.60-66,173.36-27,820.40

Finding the Fourth Proportional to 47,951.60, 66,173.36 and 27,820.40

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Solution

The fourth proportional to 47,951.60, 66,173.36 and 27,820.40 is: 38,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,951.60 : 66,173.36 = 27,820.40 : x
  2. Step 2: Convert to fraction form
    47,951.60/66,173.36 = 27,820.40/x
  3. Step 3: Cross multiply
    47,951.60x = 66,173.36 × 27,820.40
  4. Step 4: Simplify right side
    47,951.60x = 1,840,968,874.58
  5. Step 5: Solve for x
    x = 1,840,968,874.58/47,951.60
  6. Step 6: Final answer
    x = 38,392.23

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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.