Home / 31,119.19-46,678.78-10,342.69

Finding the Fourth Proportional to 31,119.19, 46,678.78 and 10,342.69

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Solution

The fourth proportional to 31,119.19, 46,678.78 and 10,342.69 is: 15,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,119.19 : 46,678.78 = 10,342.69 : x
  2. Step 2: Convert to fraction form
    31,119.19/46,678.78 = 10,342.69/x
  3. Step 3: Cross multiply
    31,119.19x = 46,678.78 × 10,342.69
  4. Step 4: Simplify right side
    31,119.19x = 482,784,047.35
  5. Step 5: Solve for x
    x = 482,784,047.35/31,119.19
  6. Step 6: Final answer
    x = 15,514.03

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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.