Home / 37,136.40-55,688.94-15,780.48

Finding the Fourth Proportional to 37,136.40, 55,688.94 and 15,780.48

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Solution

The fourth proportional to 37,136.40, 55,688.94 and 15,780.48 is: 23,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,136.40 : 55,688.94 = 15,780.48 : x
  2. Step 2: Convert to fraction form
    37,136.40/55,688.94 = 15,780.48/x
  3. Step 3: Cross multiply
    37,136.40x = 55,688.94 × 15,780.48
  4. Step 4: Simplify right side
    37,136.40x = 878,798,203.89
  5. Step 5: Solve for x
    x = 878,798,203.89/37,136.40
  6. Step 6: Final answer
    x = 23,664.07

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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.