Home / 42,834.84-64,252.17-11,670

Finding the Fourth Proportional to 42,834.84, 64,252.17 and 11,670

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Solution

The fourth proportional to 42,834.84, 64,252.17 and 11,670 is: 17,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,834.84 : 64,252.17 = 11,670 : x
  2. Step 2: Convert to fraction form
    42,834.84/64,252.17 = 11,670/x
  3. Step 3: Cross multiply
    42,834.84x = 64,252.17 × 11,670
  4. Step 4: Simplify right side
    42,834.84x = 749,822,823.90
  5. Step 5: Solve for x
    x = 749,822,823.90/42,834.84
  6. Step 6: Final answer
    x = 17,504.98

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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.