Home / 30,119.85-41,565.64-16,691.33

Finding the Fourth Proportional to 30,119.85, 41,565.64 and 16,691.33

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Solution

The fourth proportional to 30,119.85, 41,565.64 and 16,691.33 is: 23,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.85 : 41,565.64 = 16,691.33 : x
  2. Step 2: Convert to fraction form
    30,119.85/41,565.64 = 16,691.33/x
  3. Step 3: Cross multiply
    30,119.85x = 41,565.64 × 16,691.33
  4. Step 4: Simplify right side
    30,119.85x = 693,785,564.34
  5. Step 5: Solve for x
    x = 693,785,564.34/30,119.85
  6. Step 6: Final answer
    x = 23,034.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.