Home / 72,277.84-108,358.33-30,190.17

Finding the Fourth Proportional to 72,277.84, 108,358.33 and 30,190.17

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Solution

The fourth proportional to 72,277.84, 108,358.33 and 30,190.17 is: 45,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,277.84 : 108,358.33 = 30,190.17 : x
  2. Step 2: Convert to fraction form
    72,277.84/108,358.33 = 30,190.17/x
  3. Step 3: Cross multiply
    72,277.84x = 108,358.33 × 30,190.17
  4. Step 4: Simplify right side
    72,277.84x = 3,271,356,266.49
  5. Step 5: Solve for x
    x = 3,271,356,266.49/72,277.84
  6. Step 6: Final answer
    x = 45,260.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.