Home / 55,376.64-83,065.56-13,823.64

Finding the Fourth Proportional to 55,376.64, 83,065.56 and 13,823.64

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Solution

The fourth proportional to 55,376.64, 83,065.56 and 13,823.64 is: 20,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,376.64 : 83,065.56 = 13,823.64 : x
  2. Step 2: Convert to fraction form
    55,376.64/83,065.56 = 13,823.64/x
  3. Step 3: Cross multiply
    55,376.64x = 83,065.56 × 13,823.64
  4. Step 4: Simplify right side
    55,376.64x = 1,148,268,397.84
  5. Step 5: Solve for x
    x = 1,148,268,397.84/55,376.64
  6. Step 6: Final answer
    x = 20,735.61

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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.