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Finding the Fourth Proportional to 65,234.80, 97,852.20 and 38,969.20

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Solution

The fourth proportional to 65,234.80, 97,852.20 and 38,969.20 is: 58,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,234.80 : 97,852.20 = 38,969.20 : x
  2. Step 2: Convert to fraction form
    65,234.80/97,852.20 = 38,969.20/x
  3. Step 3: Cross multiply
    65,234.80x = 97,852.20 × 38,969.20
  4. Step 4: Simplify right side
    65,234.80x = 3,813,221,952.24
  5. Step 5: Solve for x
    x = 3,813,221,952.24/65,234.80
  6. Step 6: Final answer
    x = 58,453.80

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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.