Home / 40,985.56-56,558.55-22,835.86

Finding the Fourth Proportional to 40,985.56, 56,558.55 and 22,835.86

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Solution

The fourth proportional to 40,985.56, 56,558.55 and 22,835.86 is: 31,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,985.56 : 56,558.55 = 22,835.86 : x
  2. Step 2: Convert to fraction form
    40,985.56/56,558.55 = 22,835.86/x
  3. Step 3: Cross multiply
    40,985.56x = 56,558.55 × 22,835.86
  4. Step 4: Simplify right side
    40,985.56x = 1,291,563,073.84
  5. Step 5: Solve for x
    x = 1,291,563,073.84/40,985.56
  6. Step 6: Final answer
    x = 31,512.64

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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.