Home / 53,178.40-79,767.58-36,487.82

Finding the Fourth Proportional to 53,178.40, 79,767.58 and 36,487.82

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Solution

The fourth proportional to 53,178.40, 79,767.58 and 36,487.82 is: 54,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178.40 : 79,767.58 = 36,487.82 : x
  2. Step 2: Convert to fraction form
    53,178.40/79,767.58 = 36,487.82/x
  3. Step 3: Cross multiply
    53,178.40x = 79,767.58 × 36,487.82
  4. Step 4: Simplify right side
    53,178.40x = 2,910,545,100.88
  5. Step 5: Solve for x
    x = 2,910,545,100.88/53,178.40
  6. Step 6: Final answer
    x = 54,731.72

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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.