Home / 47,909.88-66,115.63-26,690.51

Finding the Fourth Proportional to 47,909.88, 66,115.63 and 26,690.51

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Solution

The fourth proportional to 47,909.88, 66,115.63 and 26,690.51 is: 36,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,909.88 : 66,115.63 = 26,690.51 : x
  2. Step 2: Convert to fraction form
    47,909.88/66,115.63 = 26,690.51/x
  3. Step 3: Cross multiply
    47,909.88x = 66,115.63 × 26,690.51
  4. Step 4: Simplify right side
    47,909.88x = 1,764,659,883.67
  5. Step 5: Solve for x
    x = 1,764,659,883.67/47,909.88
  6. Step 6: Final answer
    x = 36,832.90

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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.