Home / 30,385.60-41,934.24-16,959.48

Finding the Fourth Proportional to 30,385.60, 41,934.24 and 16,959.48

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Solution

The fourth proportional to 30,385.60, 41,934.24 and 16,959.48 is: 23,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.60 : 41,934.24 = 16,959.48 : x
  2. Step 2: Convert to fraction form
    30,385.60/41,934.24 = 16,959.48/x
  3. Step 3: Cross multiply
    30,385.60x = 41,934.24 × 16,959.48
  4. Step 4: Simplify right side
    30,385.60x = 711,182,747.34
  5. Step 5: Solve for x
    x = 711,182,747.34/30,385.60
  6. Step 6: Final answer
    x = 23,405.26

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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.