Home / 49,389.92-74,137.52-21,323.68

Finding the Fourth Proportional to 49,389.92, 74,137.52 and 21,323.68

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Solution

The fourth proportional to 49,389.92, 74,137.52 and 21,323.68 is: 32,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,389.92 : 74,137.52 = 21,323.68 : x
  2. Step 2: Convert to fraction form
    49,389.92/74,137.52 = 21,323.68/x
  3. Step 3: Cross multiply
    49,389.92x = 74,137.52 × 21,323.68
  4. Step 4: Simplify right side
    49,389.92x = 1,580,884,752.47
  5. Step 5: Solve for x
    x = 1,580,884,752.47/49,389.92
  6. Step 6: Final answer
    x = 32,008.25

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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.