Home / 51,815.60-77,704.32-18,526.64

Finding the Fourth Proportional to 51,815.60, 77,704.32 and 18,526.64

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Solution

The fourth proportional to 51,815.60, 77,704.32 and 18,526.64 is: 27,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.60 : 77,704.32 = 18,526.64 : x
  2. Step 2: Convert to fraction form
    51,815.60/77,704.32 = 18,526.64/x
  3. Step 3: Cross multiply
    51,815.60x = 77,704.32 × 18,526.64
  4. Step 4: Simplify right side
    51,815.60x = 1,439,599,963.08
  5. Step 5: Solve for x
    x = 1,439,599,963.08/51,815.60
  6. Step 6: Final answer
    x = 27,783.14

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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.