Home / 35,237.92-48,628.70-20,132.56

Finding the Fourth Proportional to 35,237.92, 48,628.70 and 20,132.56

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Solution

The fourth proportional to 35,237.92, 48,628.70 and 20,132.56 is: 27,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,237.92 : 48,628.70 = 20,132.56 : x
  2. Step 2: Convert to fraction form
    35,237.92/48,628.70 = 20,132.56/x
  3. Step 3: Cross multiply
    35,237.92x = 48,628.70 × 20,132.56
  4. Step 4: Simplify right side
    35,237.92x = 979,020,220.47
  5. Step 5: Solve for x
    x = 979,020,220.47/35,237.92
  6. Step 6: Final answer
    x = 27,783.14

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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.