Home / 31,880.89-44,006.61-19,305.64

Finding the Fourth Proportional to 31,880.89, 44,006.61 and 19,305.64

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Solution

The fourth proportional to 31,880.89, 44,006.61 and 19,305.64 is: 26,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.89 : 44,006.61 = 19,305.64 : x
  2. Step 2: Convert to fraction form
    31,880.89/44,006.61 = 19,305.64/x
  3. Step 3: Cross multiply
    31,880.89x = 44,006.61 × 19,305.64
  4. Step 4: Simplify right side
    31,880.89x = 849,575,770.28
  5. Step 5: Solve for x
    x = 849,575,770.28/31,880.89
  6. Step 6: Final answer
    x = 26,648.43

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1.5x scale

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.