Home / 35,445.34-48,914.18-20,340.38

Finding the Fourth Proportional to 35,445.34, 48,914.18 and 20,340.38

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Solution

The fourth proportional to 35,445.34, 48,914.18 and 20,340.38 is: 28,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.34 : 48,914.18 = 20,340.38 : x
  2. Step 2: Convert to fraction form
    35,445.34/48,914.18 = 20,340.38/x
  3. Step 3: Cross multiply
    35,445.34x = 48,914.18 × 20,340.38
  4. Step 4: Simplify right side
    35,445.34x = 994,932,944.72
  5. Step 5: Solve for x
    x = 994,932,944.72/35,445.34
  6. Step 6: Final answer
    x = 28,069.50

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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.