Home / 30,070.20-41,513.52-22,513.80

Finding the Fourth Proportional to 30,070.20, 41,513.52 and 22,513.80

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Solution

The fourth proportional to 30,070.20, 41,513.52 and 22,513.80 is: 31,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.20 : 41,513.52 = 22,513.80 : x
  2. Step 2: Convert to fraction form
    30,070.20/41,513.52 = 22,513.80/x
  3. Step 3: Cross multiply
    30,070.20x = 41,513.52 × 22,513.80
  4. Step 4: Simplify right side
    30,070.20x = 934,627,086.58
  5. Step 5: Solve for x
    x = 934,627,086.58/30,070.20
  6. Step 6: Final answer
    x = 31,081.51

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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.