Home / 58,778.96-81,115.08-31,921.16

Finding the Fourth Proportional to 58,778.96, 81,115.08 and 31,921.16

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Solution

The fourth proportional to 58,778.96, 81,115.08 and 31,921.16 is: 44,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,778.96 : 81,115.08 = 31,921.16 : x
  2. Step 2: Convert to fraction form
    58,778.96/81,115.08 = 31,921.16/x
  3. Step 3: Cross multiply
    58,778.96x = 81,115.08 × 31,921.16
  4. Step 4: Simplify right side
    58,778.96x = 2,589,287,447.09
  5. Step 5: Solve for x
    x = 2,589,287,447.09/58,778.96
  6. Step 6: Final answer
    x = 44,051.26

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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.