Home / 55,369.17-76,408.92-30,218.67

Finding the Fourth Proportional to 55,369.17, 76,408.92 and 30,218.67

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Solution

The fourth proportional to 55,369.17, 76,408.92 and 30,218.67 is: 41,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,369.17 : 76,408.92 = 30,218.67 : x
  2. Step 2: Convert to fraction form
    55,369.17/76,408.92 = 30,218.67/x
  3. Step 3: Cross multiply
    55,369.17x = 76,408.92 × 30,218.67
  4. Step 4: Simplify right side
    55,369.17x = 2,308,975,938.54
  5. Step 5: Solve for x
    x = 2,308,975,938.54/55,369.17
  6. Step 6: Final answer
    x = 41,701.47

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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.