Home / 55,306.08-82,971.41-15,860.16

Finding the Fourth Proportional to 55,306.08, 82,971.41 and 15,860.16

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Solution

The fourth proportional to 55,306.08, 82,971.41 and 15,860.16 is: 23,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,306.08 : 82,971.41 = 15,860.16 : x
  2. Step 2: Convert to fraction form
    55,306.08/82,971.41 = 15,860.16/x
  3. Step 3: Cross multiply
    55,306.08x = 82,971.41 × 15,860.16
  4. Step 4: Simplify right side
    55,306.08x = 1,315,939,758.72
  5. Step 5: Solve for x
    x = 1,315,939,758.72/55,306.08
  6. Step 6: Final answer
    x = 23,793.76

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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.