Home / 48,985.53-73,478.30-19,424.18

Finding the Fourth Proportional to 48,985.53, 73,478.30 and 19,424.18

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Solution

The fourth proportional to 48,985.53, 73,478.30 and 19,424.18 is: 29,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,985.53 : 73,478.30 = 19,424.18 : x
  2. Step 2: Convert to fraction form
    48,985.53/73,478.30 = 19,424.18/x
  3. Step 3: Cross multiply
    48,985.53x = 73,478.30 × 19,424.18
  4. Step 4: Simplify right side
    48,985.53x = 1,427,255,260.78
  5. Step 5: Solve for x
    x = 1,427,255,260.78/48,985.53
  6. Step 6: Final answer
    x = 29,136.26

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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.