Home / 29,058.56-40,055.32-18,981.96

Finding the Fourth Proportional to 29,058.56, 40,055.32 and 18,981.96

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Solution

The fourth proportional to 29,058.56, 40,055.32 and 18,981.96 is: 26,165.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,058.56 : 40,055.32 = 18,981.96 : x
  2. Step 2: Convert to fraction form
    29,058.56/40,055.32 = 18,981.96/x
  3. Step 3: Cross multiply
    29,058.56x = 40,055.32 × 18,981.96
  4. Step 4: Simplify right side
    29,058.56x = 760,328,482.03
  5. Step 5: Solve for x
    x = 760,328,482.03/29,058.56
  6. Step 6: Final answer
    x = 26,165.39

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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.