Home / 47,872.20-66,063.60-27,730.20

Finding the Fourth Proportional to 47,872.20, 66,063.60 and 27,730.20

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Solution

The fourth proportional to 47,872.20, 66,063.60 and 27,730.20 is: 38,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872.20 : 66,063.60 = 27,730.20 : x
  2. Step 2: Convert to fraction form
    47,872.20/66,063.60 = 27,730.20/x
  3. Step 3: Cross multiply
    47,872.20x = 66,063.60 × 27,730.20
  4. Step 4: Simplify right side
    47,872.20x = 1,831,956,840.72
  5. Step 5: Solve for x
    x = 1,831,956,840.72/47,872.20
  6. Step 6: Final answer
    x = 38,267.66

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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.