Home / 35,337.12-48,768.65-20,231.02

Finding the Fourth Proportional to 35,337.12, 48,768.65 and 20,231.02

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Solution

The fourth proportional to 35,337.12, 48,768.65 and 20,231.02 is: 27,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,337.12 : 48,768.65 = 20,231.02 : x
  2. Step 2: Convert to fraction form
    35,337.12/48,768.65 = 20,231.02/x
  3. Step 3: Cross multiply
    35,337.12x = 48,768.65 × 20,231.02
  4. Step 4: Simplify right side
    35,337.12x = 986,639,533.52
  5. Step 5: Solve for x
    x = 986,639,533.52/35,337.12
  6. Step 6: Final answer
    x = 27,920.77

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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.