Home / 58,372.58-87,570.32-20,922.64

Finding the Fourth Proportional to 58,372.58, 87,570.32 and 20,922.64

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Solution

The fourth proportional to 58,372.58, 87,570.32 and 20,922.64 is: 31,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,372.58 : 87,570.32 = 20,922.64 : x
  2. Step 2: Convert to fraction form
    58,372.58/87,570.32 = 20,922.64/x
  3. Step 3: Cross multiply
    58,372.58x = 87,570.32 × 20,922.64
  4. Step 4: Simplify right side
    58,372.58x = 1,832,201,956.51
  5. Step 5: Solve for x
    x = 1,832,201,956.51/58,372.58
  6. Step 6: Final answer
    x = 31,388.06

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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.