Home / 55,115.26-82,630.04-17,653.76

Finding the Fourth Proportional to 55,115.26, 82,630.04 and 17,653.76

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Solution

The fourth proportional to 55,115.26, 82,630.04 and 17,653.76 is: 26,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,115.26 : 82,630.04 = 17,653.76 : x
  2. Step 2: Convert to fraction form
    55,115.26/82,630.04 = 17,653.76/x
  3. Step 3: Cross multiply
    55,115.26x = 82,630.04 × 17,653.76
  4. Step 4: Simplify right side
    55,115.26x = 1,458,730,894.95
  5. Step 5: Solve for x
    x = 1,458,730,894.95/55,115.26
  6. Step 6: Final answer
    x = 26,466.91

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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.