Home / 34,538.69-47,664.52-21,115.98

Finding the Fourth Proportional to 34,538.69, 47,664.52 and 21,115.98

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Solution

The fourth proportional to 34,538.69, 47,664.52 and 21,115.98 is: 29,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,538.69 : 47,664.52 = 21,115.98 : x
  2. Step 2: Convert to fraction form
    34,538.69/47,664.52 = 21,115.98/x
  3. Step 3: Cross multiply
    34,538.69x = 47,664.52 × 21,115.98
  4. Step 4: Simplify right side
    34,538.69x = 1,006,482,998.24
  5. Step 5: Solve for x
    x = 1,006,482,998.24/34,538.69
  6. Step 6: Final answer
    x = 29,140.74

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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.