Home / 35,318.70-48,739.61-19,402.81

Finding the Fourth Proportional to 35,318.70, 48,739.61 and 19,402.81

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Solution

The fourth proportional to 35,318.70, 48,739.61 and 19,402.81 is: 26,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.70 : 48,739.61 = 19,402.81 : x
  2. Step 2: Convert to fraction form
    35,318.70/48,739.61 = 19,402.81/x
  3. Step 3: Cross multiply
    35,318.70x = 48,739.61 × 19,402.81
  4. Step 4: Simplify right side
    35,318.70x = 945,685,392.30
  5. Step 5: Solve for x
    x = 945,685,392.30/35,318.70
  6. Step 6: Final answer
    x = 26,775.77

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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.