Home / 47,618.25-71,429.10-18,038.25

Finding the Fourth Proportional to 47,618.25, 71,429.10 and 18,038.25

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Solution

The fourth proportional to 47,618.25, 71,429.10 and 18,038.25 is: 27,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,618.25 : 71,429.10 = 18,038.25 : x
  2. Step 2: Convert to fraction form
    47,618.25/71,429.10 = 18,038.25/x
  3. Step 3: Cross multiply
    47,618.25x = 71,429.10 × 18,038.25
  4. Step 4: Simplify right side
    47,618.25x = 1,288,455,963.08
  5. Step 5: Solve for x
    x = 1,288,455,963.08/47,618.25
  6. Step 6: Final answer
    x = 27,058.03

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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.