Home / 47,942.21-66,157.25-26,430.84

Finding the Fourth Proportional to 47,942.21, 66,157.25 and 26,430.84

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Solution

The fourth proportional to 47,942.21, 66,157.25 and 26,430.84 is: 36,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.21 : 66,157.25 = 26,430.84 : x
  2. Step 2: Convert to fraction form
    47,942.21/66,157.25 = 26,430.84/x
  3. Step 3: Cross multiply
    47,942.21x = 66,157.25 × 26,430.84
  4. Step 4: Simplify right side
    47,942.21x = 1,748,591,557.44
  5. Step 5: Solve for x
    x = 1,748,591,557.44/47,942.21
  6. Step 6: Final answer
    x = 36,472.91

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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.