Home / 30,340.20-41,864.40-16,908.52

Finding the Fourth Proportional to 30,340.20, 41,864.40 and 16,908.52

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Solution

The fourth proportional to 30,340.20, 41,864.40 and 16,908.52 is: 23,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340.20 : 41,864.40 = 16,908.52 : x
  2. Step 2: Convert to fraction form
    30,340.20/41,864.40 = 16,908.52/x
  3. Step 3: Cross multiply
    30,340.20x = 41,864.40 × 16,908.52
  4. Step 4: Simplify right side
    30,340.20x = 707,865,044.69
  5. Step 5: Solve for x
    x = 707,865,044.69/30,340.20
  6. Step 6: Final answer
    x = 23,330.93

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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.