Home / 31,149-46,723.08-10,089.60

Finding the Fourth Proportional to 31,149, 46,723.08 and 10,089.60

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Solution

The fourth proportional to 31,149, 46,723.08 and 10,089.60 is: 15,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,149 : 46,723.08 = 10,089.60 : x
  2. Step 2: Convert to fraction form
    31,149/46,723.08 = 10,089.60/x
  3. Step 3: Cross multiply
    31,149x = 46,723.08 × 10,089.60
  4. Step 4: Simplify right side
    31,149x = 471,417,187.97
  5. Step 5: Solve for x
    x = 471,417,187.97/31,149
  6. Step 6: Final answer
    x = 15,134.26

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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.