Home / 31,599.31-47,369.67-11,890.93

Finding the Fourth Proportional to 31,599.31, 47,369.67 and 11,890.93

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Solution

The fourth proportional to 31,599.31, 47,369.67 and 11,890.93 is: 17,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.31 : 47,369.67 = 11,890.93 : x
  2. Step 2: Convert to fraction form
    31,599.31/47,369.67 = 11,890.93/x
  3. Step 3: Cross multiply
    31,599.31x = 47,369.67 × 11,890.93
  4. Step 4: Simplify right side
    31,599.31x = 563,269,430.09
  5. Step 5: Solve for x
    x = 563,269,430.09/31,599.31
  6. Step 6: Final answer
    x = 17,825.37

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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.