Home / 55,279.32-82,935.12-17,838.60

Finding the Fourth Proportional to 55,279.32, 82,935.12 and 17,838.60

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Solution

The fourth proportional to 55,279.32, 82,935.12 and 17,838.60 is: 26,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,279.32 : 82,935.12 = 17,838.60 : x
  2. Step 2: Convert to fraction form
    55,279.32/82,935.12 = 17,838.60/x
  3. Step 3: Cross multiply
    55,279.32x = 82,935.12 × 17,838.60
  4. Step 4: Simplify right side
    55,279.32x = 1,479,446,431.63
  5. Step 5: Solve for x
    x = 1,479,446,431.63/55,279.32
  6. Step 6: Final answer
    x = 26,763.11

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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.