Home / 43,258.64-64,888.02-12,093.86

Finding the Fourth Proportional to 43,258.64, 64,888.02 and 12,093.86

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Solution

The fourth proportional to 43,258.64, 64,888.02 and 12,093.86 is: 18,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,258.64 : 64,888.02 = 12,093.86 : x
  2. Step 2: Convert to fraction form
    43,258.64/64,888.02 = 12,093.86/x
  3. Step 3: Cross multiply
    43,258.64x = 64,888.02 × 12,093.86
  4. Step 4: Simplify right side
    43,258.64x = 784,746,629.56
  5. Step 5: Solve for x
    x = 784,746,629.56/43,258.64
  6. Step 6: Final answer
    x = 18,140.81

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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.