Home / 37,857.06-56,712.81-21,166.47

Finding the Fourth Proportional to 37,857.06, 56,712.81 and 21,166.47

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Solution

The fourth proportional to 37,857.06, 56,712.81 and 21,166.47 is: 31,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,857.06 : 56,712.81 = 21,166.47 : x
  2. Step 2: Convert to fraction form
    37,857.06/56,712.81 = 21,166.47/x
  3. Step 3: Cross multiply
    37,857.06x = 56,712.81 × 21,166.47
  4. Step 4: Simplify right side
    37,857.06x = 1,200,409,991.48
  5. Step 5: Solve for x
    x = 1,200,409,991.48/37,857.06
  6. Step 6: Final answer
    x = 31,709.01

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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.