Home / 53,606.26-73,979.99-30,949.40

Finding the Fourth Proportional to 53,606.26, 73,979.99 and 30,949.40

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Solution

The fourth proportional to 53,606.26, 73,979.99 and 30,949.40 is: 42,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,606.26 : 73,979.99 = 30,949.40 : x
  2. Step 2: Convert to fraction form
    53,606.26/73,979.99 = 30,949.40/x
  3. Step 3: Cross multiply
    53,606.26x = 73,979.99 × 30,949.40
  4. Step 4: Simplify right side
    53,606.26x = 2,289,636,564.83
  5. Step 5: Solve for x
    x = 2,289,636,564.83/53,606.26
  6. Step 6: Final answer
    x = 42,712.11

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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.