Home / 36,689.78-55,030.01-11,727.77

Finding the Fourth Proportional to 36,689.78, 55,030.01 and 11,727.77

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Solution

The fourth proportional to 36,689.78, 55,030.01 and 11,727.77 is: 17,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.78 : 55,030.01 = 11,727.77 : x
  2. Step 2: Convert to fraction form
    36,689.78/55,030.01 = 11,727.77/x
  3. Step 3: Cross multiply
    36,689.78x = 55,030.01 × 11,727.77
  4. Step 4: Simplify right side
    36,689.78x = 645,378,966.59
  5. Step 5: Solve for x
    x = 645,378,966.59/36,689.78
  6. Step 6: Final answer
    x = 17,590.16

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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.