Home / 37,564.36-56,309.18-20,931.96

Finding the Fourth Proportional to 37,564.36, 56,309.18 and 20,931.96

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Solution

The fourth proportional to 37,564.36, 56,309.18 and 20,931.96 is: 31,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,564.36 : 56,309.18 = 20,931.96 : x
  2. Step 2: Convert to fraction form
    37,564.36/56,309.18 = 20,931.96/x
  3. Step 3: Cross multiply
    37,564.36x = 56,309.18 × 20,931.96
  4. Step 4: Simplify right side
    37,564.36x = 1,178,661,503.39
  5. Step 5: Solve for x
    x = 1,178,661,503.39/37,564.36
  6. Step 6: Final answer
    x = 31,377.12

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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.