Home / 34,895.19-48,167.89-20,748

Finding the Fourth Proportional to 34,895.19, 48,167.89 and 20,748

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Solution

The fourth proportional to 34,895.19, 48,167.89 and 20,748 is: 28,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,895.19 : 48,167.89 = 20,748 : x
  2. Step 2: Convert to fraction form
    34,895.19/48,167.89 = 20,748/x
  3. Step 3: Cross multiply
    34,895.19x = 48,167.89 × 20,748
  4. Step 4: Simplify right side
    34,895.19x = 999,387,329.85
  5. Step 5: Solve for x
    x = 999,387,329.85/34,895.19
  6. Step 6: Final answer
    x = 28,639.69

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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.