Home / 40,929.71-61,404.79-14,276.09

Finding the Fourth Proportional to 40,929.71, 61,404.79 and 14,276.09

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Solution

The fourth proportional to 40,929.71, 61,404.79 and 14,276.09 is: 21,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,929.71 : 61,404.79 = 14,276.09 : x
  2. Step 2: Convert to fraction form
    40,929.71/61,404.79 = 14,276.09/x
  3. Step 3: Cross multiply
    40,929.71x = 61,404.79 × 14,276.09
  4. Step 4: Simplify right side
    40,929.71x = 876,619,930.07
  5. Step 5: Solve for x
    x = 876,619,930.07/40,929.71
  6. Step 6: Final answer
    x = 21,417.69

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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.