Home / 55,363.38-76,401.68-30,212.88

Finding the Fourth Proportional to 55,363.38, 76,401.68 and 30,212.88

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Solution

The fourth proportional to 55,363.38, 76,401.68 and 30,212.88 is: 41,693.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,363.38 : 76,401.68 = 30,212.88 : x
  2. Step 2: Convert to fraction form
    55,363.38/76,401.68 = 30,212.88/x
  3. Step 3: Cross multiply
    55,363.38x = 76,401.68 × 30,212.88
  4. Step 4: Simplify right side
    55,363.38x = 2,308,314,638.57
  5. Step 5: Solve for x
    x = 2,308,314,638.57/55,363.38
  6. Step 6: Final answer
    x = 41,693.89

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1.5x scale

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.