Home / 37,538.64-56,320.38-12,590.46

Finding the Fourth Proportional to 37,538.64, 56,320.38 and 12,590.46

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Solution

The fourth proportional to 37,538.64, 56,320.38 and 12,590.46 is: 18,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,538.64 : 56,320.38 = 12,590.46 : x
  2. Step 2: Convert to fraction form
    37,538.64/56,320.38 = 12,590.46/x
  3. Step 3: Cross multiply
    37,538.64x = 56,320.38 × 12,590.46
  4. Step 4: Simplify right side
    37,538.64x = 709,099,491.57
  5. Step 5: Solve for x
    x = 709,099,491.57/37,538.64
  6. Step 6: Final answer
    x = 18,889.86

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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.