Home / 30,042.60-44,969.40-20,627.52

Finding the Fourth Proportional to 30,042.60, 44,969.40 and 20,627.52

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Solution

The fourth proportional to 30,042.60, 44,969.40 and 20,627.52 is: 30,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.60 : 44,969.40 = 20,627.52 : x
  2. Step 2: Convert to fraction form
    30,042.60/44,969.40 = 20,627.52/x
  3. Step 3: Cross multiply
    30,042.60x = 44,969.40 × 20,627.52
  4. Step 4: Simplify right side
    30,042.60x = 927,607,197.89
  5. Step 5: Solve for x
    x = 927,607,197.89/30,042.60
  6. Step 6: Final answer
    x = 30,876.40

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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.