Home / 37,918.72-56,878.89-11,622.88

Finding the Fourth Proportional to 37,918.72, 56,878.89 and 11,622.88

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Solution

The fourth proportional to 37,918.72, 56,878.89 and 11,622.88 is: 17,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,918.72 : 56,878.89 = 11,622.88 : x
  2. Step 2: Convert to fraction form
    37,918.72/56,878.89 = 11,622.88/x
  3. Step 3: Cross multiply
    37,918.72x = 56,878.89 × 11,622.88
  4. Step 4: Simplify right side
    37,918.72x = 661,096,513.00
  5. Step 5: Solve for x
    x = 661,096,513.00/37,918.72
  6. Step 6: Final answer
    x = 17,434.57

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1.5x scale

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.