Home / 35,845.66-49,467.90-19,931.68

Finding the Fourth Proportional to 35,845.66, 49,467.90 and 19,931.68

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Solution

The fourth proportional to 35,845.66, 49,467.90 and 19,931.68 is: 27,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,845.66 : 49,467.90 = 19,931.68 : x
  2. Step 2: Convert to fraction form
    35,845.66/49,467.90 = 19,931.68/x
  3. Step 3: Cross multiply
    35,845.66x = 49,467.90 × 19,931.68
  4. Step 4: Simplify right side
    35,845.66x = 985,978,353.07
  5. Step 5: Solve for x
    x = 985,978,353.07/35,845.66
  6. Step 6: Final answer
    x = 27,506.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.