Home / 47,211.64-65,143.78-28,349.17

Finding the Fourth Proportional to 47,211.64, 65,143.78 and 28,349.17

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Solution

The fourth proportional to 47,211.64, 65,143.78 and 28,349.17 is: 39,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.64 : 65,143.78 = 28,349.17 : x
  2. Step 2: Convert to fraction form
    47,211.64/65,143.78 = 28,349.17/x
  3. Step 3: Cross multiply
    47,211.64x = 65,143.78 × 28,349.17
  4. Step 4: Simplify right side
    47,211.64x = 1,846,772,093.66
  5. Step 5: Solve for x
    x = 1,846,772,093.66/47,211.64
  6. Step 6: Final answer
    x = 39,116.88

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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.