Home / 43,256.64-64,885.02-12,091.86

Finding the Fourth Proportional to 43,256.64, 64,885.02 and 12,091.86

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Solution

The fourth proportional to 43,256.64, 64,885.02 and 12,091.86 is: 18,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,256.64 : 64,885.02 = 12,091.86 : x
  2. Step 2: Convert to fraction form
    43,256.64/64,885.02 = 12,091.86/x
  3. Step 3: Cross multiply
    43,256.64x = 64,885.02 × 12,091.86
  4. Step 4: Simplify right side
    43,256.64x = 784,580,577.94
  5. Step 5: Solve for x
    x = 784,580,577.94/43,256.64
  6. Step 6: Final answer
    x = 18,137.81

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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.