Home / 45,615.66-68,433.09-17,152.78

Finding the Fourth Proportional to 45,615.66, 68,433.09 and 17,152.78

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Solution

The fourth proportional to 45,615.66, 68,433.09 and 17,152.78 is: 25,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,615.66 : 68,433.09 = 17,152.78 : x
  2. Step 2: Convert to fraction form
    45,615.66/68,433.09 = 17,152.78/x
  3. Step 3: Cross multiply
    45,615.66x = 68,433.09 × 17,152.78
  4. Step 4: Simplify right side
    45,615.66x = 1,173,817,737.49
  5. Step 5: Solve for x
    x = 1,173,817,737.49/45,615.66
  6. Step 6: Final answer
    x = 25,732.78

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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.