Home / 37,709.81-56,588.54-21,080.76

Finding the Fourth Proportional to 37,709.81, 56,588.54 and 21,080.76

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Solution

The fourth proportional to 37,709.81, 56,588.54 and 21,080.76 is: 31,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,709.81 : 56,588.54 = 21,080.76 : x
  2. Step 2: Convert to fraction form
    37,709.81/56,588.54 = 21,080.76/x
  3. Step 3: Cross multiply
    37,709.81x = 56,588.54 × 21,080.76
  4. Step 4: Simplify right side
    37,709.81x = 1,192,929,549.77
  5. Step 5: Solve for x
    x = 1,192,929,549.77/37,709.81
  6. Step 6: Final answer
    x = 31,634.46

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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.