Home / 56,587.96-84,868.06-20,558.52

Finding the Fourth Proportional to 56,587.96, 84,868.06 and 20,558.52

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Solution

The fourth proportional to 56,587.96, 84,868.06 and 20,558.52 is: 30,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,587.96 : 84,868.06 = 20,558.52 : x
  2. Step 2: Convert to fraction form
    56,587.96/84,868.06 = 20,558.52/x
  3. Step 3: Cross multiply
    56,587.96x = 84,868.06 × 20,558.52
  4. Step 4: Simplify right side
    56,587.96x = 1,744,761,708.87
  5. Step 5: Solve for x
    x = 1,744,761,708.87/56,587.96
  6. Step 6: Final answer
    x = 30,832.74

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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.