Home / 35,142.48-48,496.79-19,227.20

Finding the Fourth Proportional to 35,142.48, 48,496.79 and 19,227.20

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Solution

The fourth proportional to 35,142.48, 48,496.79 and 19,227.20 is: 26,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,142.48 : 48,496.79 = 19,227.20 : x
  2. Step 2: Convert to fraction form
    35,142.48/48,496.79 = 19,227.20/x
  3. Step 3: Cross multiply
    35,142.48x = 48,496.79 × 19,227.20
  4. Step 4: Simplify right side
    35,142.48x = 932,457,286.27
  5. Step 5: Solve for x
    x = 932,457,286.27/35,142.48
  6. Step 6: Final answer
    x = 26,533.62

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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.