Home / 31,583.57-47,291.45-19,086.68

Finding the Fourth Proportional to 31,583.57, 47,291.45 and 19,086.68

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Solution

The fourth proportional to 31,583.57, 47,291.45 and 19,086.68 is: 28,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.57 : 47,291.45 = 19,086.68 : x
  2. Step 2: Convert to fraction form
    31,583.57/47,291.45 = 19,086.68/x
  3. Step 3: Cross multiply
    31,583.57x = 47,291.45 × 19,086.68
  4. Step 4: Simplify right side
    31,583.57x = 902,636,938.83
  5. Step 5: Solve for x
    x = 902,636,938.83/31,583.57
  6. Step 6: Final answer
    x = 28,579.32

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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.