Home / 30,881.84-42,613.53-17,453.08

Finding the Fourth Proportional to 30,881.84, 42,613.53 and 17,453.08

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Solution

The fourth proportional to 30,881.84, 42,613.53 and 17,453.08 is: 24,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.84 : 42,613.53 = 17,453.08 : x
  2. Step 2: Convert to fraction form
    30,881.84/42,613.53 = 17,453.08/x
  3. Step 3: Cross multiply
    30,881.84x = 42,613.53 × 17,453.08
  4. Step 4: Simplify right side
    30,881.84x = 743,737,348.17
  5. Step 5: Solve for x
    x = 743,737,348.17/30,881.84
  6. Step 6: Final answer
    x = 24,083.32

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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.