Home / 55,178.11-82,767.93-15,735.22

Finding the Fourth Proportional to 55,178.11, 82,767.93 and 15,735.22

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Solution

The fourth proportional to 55,178.11, 82,767.93 and 15,735.22 is: 23,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.11 : 82,767.93 = 15,735.22 : x
  2. Step 2: Convert to fraction form
    55,178.11/82,767.93 = 15,735.22/x
  3. Step 3: Cross multiply
    55,178.11x = 82,767.93 × 15,735.22
  4. Step 4: Simplify right side
    55,178.11x = 1,302,371,587.49
  5. Step 5: Solve for x
    x = 1,302,371,587.49/55,178.11
  6. Step 6: Final answer
    x = 23,603.05

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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.