Home / 42,933.94-64,401.09-15,212.50

Finding the Fourth Proportional to 42,933.94, 64,401.09 and 15,212.50

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Solution

The fourth proportional to 42,933.94, 64,401.09 and 15,212.50 is: 22,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,933.94 : 64,401.09 = 15,212.50 : x
  2. Step 2: Convert to fraction form
    42,933.94/64,401.09 = 15,212.50/x
  3. Step 3: Cross multiply
    42,933.94x = 64,401.09 × 15,212.50
  4. Step 4: Simplify right side
    42,933.94x = 979,701,581.63
  5. Step 5: Solve for x
    x = 979,701,581.63/42,933.94
  6. Step 6: Final answer
    x = 22,818.81

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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.