Home / 35,247.50-48,641.58-20,343.50

Finding the Fourth Proportional to 35,247.50, 48,641.58 and 20,343.50

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Solution

The fourth proportional to 35,247.50, 48,641.58 and 20,343.50 is: 28,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,247.50 : 48,641.58 = 20,343.50 : x
  2. Step 2: Convert to fraction form
    35,247.50/48,641.58 = 20,343.50/x
  3. Step 3: Cross multiply
    35,247.50x = 48,641.58 × 20,343.50
  4. Step 4: Simplify right side
    35,247.50x = 989,539,982.73
  5. Step 5: Solve for x
    x = 989,539,982.73/35,247.50
  6. Step 6: Final answer
    x = 28,074.05

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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.