Home / 30,824.75-42,537.98-17,395.95

Finding the Fourth Proportional to 30,824.75, 42,537.98 and 17,395.95

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Solution

The fourth proportional to 30,824.75, 42,537.98 and 17,395.95 is: 24,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.75 : 42,537.98 = 17,395.95 : x
  2. Step 2: Convert to fraction form
    30,824.75/42,537.98 = 17,395.95/x
  3. Step 3: Cross multiply
    30,824.75x = 42,537.98 × 17,395.95
  4. Step 4: Simplify right side
    30,824.75x = 739,988,486.20
  5. Step 5: Solve for x
    x = 739,988,486.20/30,824.75
  6. Step 6: Final answer
    x = 24,006.31

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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.