Home / 58,631.89-87,939.33-19,190.56

Finding the Fourth Proportional to 58,631.89, 87,939.33 and 19,190.56

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Solution

The fourth proportional to 58,631.89, 87,939.33 and 19,190.56 is: 28,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,631.89 : 87,939.33 = 19,190.56 : x
  2. Step 2: Convert to fraction form
    58,631.89/87,939.33 = 19,190.56/x
  3. Step 3: Cross multiply
    58,631.89x = 87,939.33 × 19,190.56
  4. Step 4: Simplify right side
    58,631.89x = 1,687,604,988.72
  5. Step 5: Solve for x
    x = 1,687,604,988.72/58,631.89
  6. Step 6: Final answer
    x = 28,783.06

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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.