Home / 52,905.82-79,364.76-19,187.72

Finding the Fourth Proportional to 52,905.82, 79,364.76 and 19,187.72

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Solution

The fourth proportional to 52,905.82, 79,364.76 and 19,187.72 is: 28,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,905.82 : 79,364.76 = 19,187.72 : x
  2. Step 2: Convert to fraction form
    52,905.82/79,364.76 = 19,187.72/x
  3. Step 3: Cross multiply
    52,905.82x = 79,364.76 × 19,187.72
  4. Step 4: Simplify right side
    52,905.82x = 1,522,828,792.75
  5. Step 5: Solve for x
    x = 1,522,828,792.75/52,905.82
  6. Step 6: Final answer
    x = 28,783.77

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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.