Home / 31,647.78-47,430.13-23,288.65

Finding the Fourth Proportional to 31,647.78, 47,430.13 and 23,288.65

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Solution

The fourth proportional to 31,647.78, 47,430.13 and 23,288.65 is: 34,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,647.78 : 47,430.13 = 23,288.65 : x
  2. Step 2: Convert to fraction form
    31,647.78/47,430.13 = 23,288.65/x
  3. Step 3: Cross multiply
    31,647.78x = 47,430.13 × 23,288.65
  4. Step 4: Simplify right side
    31,647.78x = 1,104,583,697.02
  5. Step 5: Solve for x
    x = 1,104,583,697.02/31,647.78
  6. Step 6: Final answer
    x = 34,902.41

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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.