Home / 37,055.17-51,136.11-20,288.17

Finding the Fourth Proportional to 37,055.17, 51,136.11 and 20,288.17

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Solution

The fourth proportional to 37,055.17, 51,136.11 and 20,288.17 is: 27,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,055.17 : 51,136.11 = 20,288.17 : x
  2. Step 2: Convert to fraction form
    37,055.17/51,136.11 = 20,288.17/x
  3. Step 3: Cross multiply
    37,055.17x = 51,136.11 × 20,288.17
  4. Step 4: Simplify right side
    37,055.17x = 1,037,458,092.82
  5. Step 5: Solve for x
    x = 1,037,458,092.82/37,055.17
  6. Step 6: Final answer
    x = 27,997.66

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1.5x scale

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.