Home / 55,423.46-83,147.67-18,486.50

Finding the Fourth Proportional to 55,423.46, 83,147.67 and 18,486.50

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Solution

The fourth proportional to 55,423.46, 83,147.67 and 18,486.50 is: 27,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.46 : 83,147.67 = 18,486.50 : x
  2. Step 2: Convert to fraction form
    55,423.46/83,147.67 = 18,486.50/x
  3. Step 3: Cross multiply
    55,423.46x = 83,147.67 × 18,486.50
  4. Step 4: Simplify right side
    55,423.46x = 1,537,109,401.46
  5. Step 5: Solve for x
    x = 1,537,109,401.46/55,423.46
  6. Step 6: Final answer
    x = 27,733.91

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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.