Home / 31,006.98-42,787.70-17,394.26

Finding the Fourth Proportional to 31,006.98, 42,787.70 and 17,394.26

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Solution

The fourth proportional to 31,006.98, 42,787.70 and 17,394.26 is: 24,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,006.98 : 42,787.70 = 17,394.26 : x
  2. Step 2: Convert to fraction form
    31,006.98/42,787.70 = 17,394.26/x
  3. Step 3: Cross multiply
    31,006.98x = 42,787.70 × 17,394.26
  4. Step 4: Simplify right side
    31,006.98x = 744,260,378.60
  5. Step 5: Solve for x
    x = 744,260,378.60/31,006.98
  6. Step 6: Final answer
    x = 24,002.99

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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.