Home / 30,673.90-42,329.57-17,061.82

Finding the Fourth Proportional to 30,673.90, 42,329.57 and 17,061.82

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Solution

The fourth proportional to 30,673.90, 42,329.57 and 17,061.82 is: 23,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,673.90 : 42,329.57 = 17,061.82 : x
  2. Step 2: Convert to fraction form
    30,673.90/42,329.57 = 17,061.82/x
  3. Step 3: Cross multiply
    30,673.90x = 42,329.57 × 17,061.82
  4. Step 4: Simplify right side
    30,673.90x = 722,219,504.02
  5. Step 5: Solve for x
    x = 722,219,504.02/30,673.90
  6. Step 6: Final answer
    x = 23,545.08

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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.