Home / 47,891.28-66,089.80-26,670.80

Finding the Fourth Proportional to 47,891.28, 66,089.80 and 26,670.80

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Solution

The fourth proportional to 47,891.28, 66,089.80 and 26,670.80 is: 36,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,891.28 : 66,089.80 = 26,670.80 : x
  2. Step 2: Convert to fraction form
    47,891.28/66,089.80 = 26,670.80/x
  3. Step 3: Cross multiply
    47,891.28x = 66,089.80 × 26,670.80
  4. Step 4: Simplify right side
    47,891.28x = 1,762,667,837.84
  5. Step 5: Solve for x
    x = 1,762,667,837.84/47,891.28
  6. Step 6: Final answer
    x = 36,805.61

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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.