Home / 49,461.18-74,161.85-19,439.47

Finding the Fourth Proportional to 49,461.18, 74,161.85 and 19,439.47

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Solution

The fourth proportional to 49,461.18, 74,161.85 and 19,439.47 is: 29,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,461.18 : 74,161.85 = 19,439.47 : x
  2. Step 2: Convert to fraction form
    49,461.18/74,161.85 = 19,439.47/x
  3. Step 3: Cross multiply
    49,461.18x = 74,161.85 × 19,439.47
  4. Step 4: Simplify right side
    49,461.18x = 1,441,667,058.22
  5. Step 5: Solve for x
    x = 1,441,667,058.22/49,461.18
  6. Step 6: Final answer
    x = 29,147.45

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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.