Home / 47,058.60-64,971.26-29,172.72

Finding the Fourth Proportional to 47,058.60, 64,971.26 and 29,172.72

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Solution

The fourth proportional to 47,058.60, 64,971.26 and 29,172.72 is: 40,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,058.60 : 64,971.26 = 29,172.72 : x
  2. Step 2: Convert to fraction form
    47,058.60/64,971.26 = 29,172.72/x
  3. Step 3: Cross multiply
    47,058.60x = 64,971.26 × 29,172.72
  4. Step 4: Simplify right side
    47,058.60x = 1,895,388,747.30
  5. Step 5: Solve for x
    x = 1,895,388,747.30/47,058.60
  6. Step 6: Final answer
    x = 40,277.20

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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.