Home / 30,119.38-41,565.65-16,689.37

Finding the Fourth Proportional to 30,119.38, 41,565.65 and 16,689.37

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Solution

The fourth proportional to 30,119.38, 41,565.65 and 16,689.37 is: 23,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.38 : 41,565.65 = 16,689.37 : x
  2. Step 2: Convert to fraction form
    30,119.38/41,565.65 = 16,689.37/x
  3. Step 3: Cross multiply
    30,119.38x = 41,565.65 × 16,689.37
  4. Step 4: Simplify right side
    30,119.38x = 693,704,595.19
  5. Step 5: Solve for x
    x = 693,704,595.19/30,119.38
  6. Step 6: Final answer
    x = 23,031.84

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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.