Home / 35,370.75-48,818.57-20,273.53

Finding the Fourth Proportional to 35,370.75, 48,818.57 and 20,273.53

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Solution

The fourth proportional to 35,370.75, 48,818.57 and 20,273.53 is: 27,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,370.75 : 48,818.57 = 20,273.53 : x
  2. Step 2: Convert to fraction form
    35,370.75/48,818.57 = 20,273.53/x
  3. Step 3: Cross multiply
    35,370.75x = 48,818.57 × 20,273.53
  4. Step 4: Simplify right side
    35,370.75x = 989,724,865.50
  5. Step 5: Solve for x
    x = 989,724,865.50/35,370.75
  6. Step 6: Final answer
    x = 27,981.45

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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.