Home / 47,863.01-66,142-35,905.59

Finding the Fourth Proportional to 47,863.01, 66,142 and 35,905.59

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Solution

The fourth proportional to 47,863.01, 66,142 and 35,905.59 is: 49,618.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,863.01 : 66,142 = 35,905.59 : x
  2. Step 2: Convert to fraction form
    47,863.01/66,142 = 35,905.59/x
  3. Step 3: Cross multiply
    47,863.01x = 66,142 × 35,905.59
  4. Step 4: Simplify right side
    47,863.01x = 2,374,867,533.78
  5. Step 5: Solve for x
    x = 2,374,867,533.78/47,863.01
  6. Step 6: Final answer
    x = 49,618.01

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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.