Home / 65,267.40-97,836.30-30,145.80

Finding the Fourth Proportional to 65,267.40, 97,836.30 and 30,145.80

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Solution

The fourth proportional to 65,267.40, 97,836.30 and 30,145.80 is: 45,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,267.40 : 97,836.30 = 30,145.80 : x
  2. Step 2: Convert to fraction form
    65,267.40/97,836.30 = 30,145.80/x
  3. Step 3: Cross multiply
    65,267.40x = 97,836.30 × 30,145.80
  4. Step 4: Simplify right side
    65,267.40x = 2,949,353,532.54
  5. Step 5: Solve for x
    x = 2,949,353,532.54/65,267.40
  6. Step 6: Final answer
    x = 45,188.77

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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.