Home / 61,440.28-92,157.18-30,265

Finding the Fourth Proportional to 61,440.28, 92,157.18 and 30,265

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Solution

The fourth proportional to 61,440.28, 92,157.18 and 30,265 is: 45,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,440.28 : 92,157.18 = 30,265 : x
  2. Step 2: Convert to fraction form
    61,440.28/92,157.18 = 30,265/x
  3. Step 3: Cross multiply
    61,440.28x = 92,157.18 × 30,265
  4. Step 4: Simplify right side
    61,440.28x = 2,789,137,052.70
  5. Step 5: Solve for x
    x = 2,789,137,052.70/61,440.28
  6. Step 6: Final answer
    x = 45,395.90

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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.