Home / 48,890.20-73,302.90-17,721.40

Finding the Fourth Proportional to 48,890.20, 73,302.90 and 17,721.40

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Solution

The fourth proportional to 48,890.20, 73,302.90 and 17,721.40 is: 26,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,890.20 : 73,302.90 = 17,721.40 : x
  2. Step 2: Convert to fraction form
    48,890.20/73,302.90 = 17,721.40/x
  3. Step 3: Cross multiply
    48,890.20x = 73,302.90 × 17,721.40
  4. Step 4: Simplify right side
    48,890.20x = 1,299,030,012.06
  5. Step 5: Solve for x
    x = 1,299,030,012.06/48,890.20
  6. Step 6: Final answer
    x = 26,570.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.