Home / 37,134.99-55,711.71-18,423.81

Finding the Fourth Proportional to 37,134.99, 55,711.71 and 18,423.81

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Solution

The fourth proportional to 37,134.99, 55,711.71 and 18,423.81 is: 27,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,134.99 : 55,711.71 = 18,423.81 : x
  2. Step 2: Convert to fraction form
    37,134.99/55,711.71 = 18,423.81/x
  3. Step 3: Cross multiply
    37,134.99x = 55,711.71 × 18,423.81
  4. Step 4: Simplify right side
    37,134.99x = 1,026,421,959.82
  5. Step 5: Solve for x
    x = 1,026,421,959.82/37,134.99
  6. Step 6: Final answer
    x = 27,640.29

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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.