Home / 47,927.61-71,891.46-21,639.87

Finding the Fourth Proportional to 47,927.61, 71,891.46 and 21,639.87

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Solution

The fourth proportional to 47,927.61, 71,891.46 and 21,639.87 is: 32,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,927.61 : 71,891.46 = 21,639.87 : x
  2. Step 2: Convert to fraction form
    47,927.61/71,891.46 = 21,639.87/x
  3. Step 3: Cross multiply
    47,927.61x = 71,891.46 × 21,639.87
  4. Step 4: Simplify right side
    47,927.61x = 1,555,721,848.51
  5. Step 5: Solve for x
    x = 1,555,721,848.51/47,927.61
  6. Step 6: Final answer
    x = 32,459.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.