Home / 37,419.52-56,139.01-18,698.80

Finding the Fourth Proportional to 37,419.52, 56,139.01 and 18,698.80

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Solution

The fourth proportional to 37,419.52, 56,139.01 and 18,698.80 is: 28,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,419.52 : 56,139.01 = 18,698.80 : x
  2. Step 2: Convert to fraction form
    37,419.52/56,139.01 = 18,698.80/x
  3. Step 3: Cross multiply
    37,419.52x = 56,139.01 × 18,698.80
  4. Step 4: Simplify right side
    37,419.52x = 1,049,732,120.19
  5. Step 5: Solve for x
    x = 1,049,732,120.19/37,419.52
  6. Step 6: Final answer
    x = 28,053.06

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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.