Home / 35,285.14-48,691.68-20,945.58

Finding the Fourth Proportional to 35,285.14, 48,691.68 and 20,945.58

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Solution

The fourth proportional to 35,285.14, 48,691.68 and 20,945.58 is: 28,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,285.14 : 48,691.68 = 20,945.58 : x
  2. Step 2: Convert to fraction form
    35,285.14/48,691.68 = 20,945.58/x
  3. Step 3: Cross multiply
    35,285.14x = 48,691.68 × 20,945.58
  4. Step 4: Simplify right side
    35,285.14x = 1,019,875,130.59
  5. Step 5: Solve for x
    x = 1,019,875,130.59/35,285.14
  6. Step 6: Final answer
    x = 28,903.81

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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.