Home / 31,930.61-47,938.33-27,280.51

Finding the Fourth Proportional to 31,930.61, 47,938.33 and 27,280.51

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Solution

The fourth proportional to 31,930.61, 47,938.33 and 27,280.51 is: 40,957.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,930.61 : 47,938.33 = 27,280.51 : x
  2. Step 2: Convert to fraction form
    31,930.61/47,938.33 = 27,280.51/x
  3. Step 3: Cross multiply
    31,930.61x = 47,938.33 × 27,280.51
  4. Step 4: Simplify right side
    31,930.61x = 1,307,782,090.95
  5. Step 5: Solve for x
    x = 1,307,782,090.95/31,930.61
  6. Step 6: Final answer
    x = 40,957.00

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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.