Home / 30,178.11-41,645.70-16,749.51

Finding the Fourth Proportional to 30,178.11, 41,645.70 and 16,749.51

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Solution

The fourth proportional to 30,178.11, 41,645.70 and 16,749.51 is: 23,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.11 : 41,645.70 = 16,749.51 : x
  2. Step 2: Convert to fraction form
    30,178.11/41,645.70 = 16,749.51/x
  3. Step 3: Cross multiply
    30,178.11x = 41,645.70 × 16,749.51
  4. Step 4: Simplify right side
    30,178.11x = 697,545,068.61
  5. Step 5: Solve for x
    x = 697,545,068.61/30,178.11
  6. Step 6: Final answer
    x = 23,114.27

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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.