Home / 30,042.20-44,968.82-20,627.12

Finding the Fourth Proportional to 30,042.20, 44,968.82 and 20,627.12

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Solution

The fourth proportional to 30,042.20, 44,968.82 and 20,627.12 is: 30,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.20 : 44,968.82 = 20,627.12 : x
  2. Step 2: Convert to fraction form
    30,042.20/44,968.82 = 20,627.12/x
  3. Step 3: Cross multiply
    30,042.20x = 44,968.82 × 20,627.12
  4. Step 4: Simplify right side
    30,042.20x = 927,577,246.40
  5. Step 5: Solve for x
    x = 927,577,246.40/30,042.20
  6. Step 6: Final answer
    x = 30,875.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.