Home / 61,052.38-91,591.67-18,931.56

Finding the Fourth Proportional to 61,052.38, 91,591.67 and 18,931.56

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Solution

The fourth proportional to 61,052.38, 91,591.67 and 18,931.56 is: 28,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,052.38 : 91,591.67 = 18,931.56 : x
  2. Step 2: Convert to fraction form
    61,052.38/91,591.67 = 18,931.56/x
  3. Step 3: Cross multiply
    61,052.38x = 91,591.67 × 18,931.56
  4. Step 4: Simplify right side
    61,052.38x = 1,733,973,312.99
  5. Step 5: Solve for x
    x = 1,733,973,312.99/61,052.38
  6. Step 6: Final answer
    x = 28,401.40

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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.