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Finding the Fourth Proportional to 65,384.67, 98,062.41 and 30,319.77

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Solution

The fourth proportional to 65,384.67, 98,062.41 and 30,319.77 is: 45,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,384.67 : 98,062.41 = 30,319.77 : x
  2. Step 2: Convert to fraction form
    65,384.67/98,062.41 = 30,319.77/x
  3. Step 3: Cross multiply
    65,384.67x = 98,062.41 × 30,319.77
  4. Step 4: Simplify right side
    65,384.67x = 2,973,229,716.85
  5. Step 5: Solve for x
    x = 2,973,229,716.85/65,384.67
  6. Step 6: Final answer
    x = 45,472.89

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1.5x scale

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.