Home / 55,279.04-82,918.18-15,836.20

Finding the Fourth Proportional to 55,279.04, 82,918.18 and 15,836.20

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Solution

The fourth proportional to 55,279.04, 82,918.18 and 15,836.20 is: 23,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,279.04 : 82,918.18 = 15,836.20 : x
  2. Step 2: Convert to fraction form
    55,279.04/82,918.18 = 15,836.20/x
  3. Step 3: Cross multiply
    55,279.04x = 82,918.18 × 15,836.20
  4. Step 4: Simplify right side
    55,279.04x = 1,313,108,882.12
  5. Step 5: Solve for x
    x = 1,313,108,882.12/55,279.04
  6. Step 6: Final answer
    x = 23,754.19

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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.