Home / 31,032-42,823.80-16,884.60

Finding the Fourth Proportional to 31,032, 42,823.80 and 16,884.60

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Solution

The fourth proportional to 31,032, 42,823.80 and 16,884.60 is: 23,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,032 : 42,823.80 = 16,884.60 : x
  2. Step 2: Convert to fraction form
    31,032/42,823.80 = 16,884.60/x
  3. Step 3: Cross multiply
    31,032x = 42,823.80 × 16,884.60
  4. Step 4: Simplify right side
    31,032x = 723,062,733.48
  5. Step 5: Solve for x
    x = 723,062,733.48/31,032
  6. Step 6: Final answer
    x = 23,300.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.