Home / 31,119.48-42,948.51-17,692.74

Finding the Fourth Proportional to 31,119.48, 42,948.51 and 17,692.74

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Solution

The fourth proportional to 31,119.48, 42,948.51 and 17,692.74 is: 24,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,119.48 : 42,948.51 = 17,692.74 : x
  2. Step 2: Convert to fraction form
    31,119.48/42,948.51 = 17,692.74/x
  3. Step 3: Cross multiply
    31,119.48x = 42,948.51 × 17,692.74
  4. Step 4: Simplify right side
    31,119.48x = 759,876,732.35
  5. Step 5: Solve for x
    x = 759,876,732.35/31,119.48
  6. Step 6: Final answer
    x = 24,418.04

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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.