Home / 31,119.25-46,678.89-10,342.75

Finding the Fourth Proportional to 31,119.25, 46,678.89 and 10,342.75

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Solution

The fourth proportional to 31,119.25, 46,678.89 and 10,342.75 is: 15,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,119.25 : 46,678.89 = 10,342.75 : x
  2. Step 2: Convert to fraction form
    31,119.25/46,678.89 = 10,342.75/x
  3. Step 3: Cross multiply
    31,119.25x = 46,678.89 × 10,342.75
  4. Step 4: Simplify right side
    31,119.25x = 482,788,089.55
  5. Step 5: Solve for x
    x = 482,788,089.55/31,119.25
  6. Step 6: Final answer
    x = 15,514.13

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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.