Home / 35,313.60-48,732.90-19,398.36

Finding the Fourth Proportional to 35,313.60, 48,732.90 and 19,398.36

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Solution

The fourth proportional to 35,313.60, 48,732.90 and 19,398.36 is: 26,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.60 : 48,732.90 = 19,398.36 : x
  2. Step 2: Convert to fraction form
    35,313.60/48,732.90 = 19,398.36/x
  3. Step 3: Cross multiply
    35,313.60x = 48,732.90 × 19,398.36
  4. Step 4: Simplify right side
    35,313.60x = 945,338,338.04
  5. Step 5: Solve for x
    x = 945,338,338.04/35,313.60
  6. Step 6: Final answer
    x = 26,769.81

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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.