Home / 51,135.52-76,681.32-17,845.60

Finding the Fourth Proportional to 51,135.52, 76,681.32 and 17,845.60

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Solution

The fourth proportional to 51,135.52, 76,681.32 and 17,845.60 is: 26,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,135.52 : 76,681.32 = 17,845.60 : x
  2. Step 2: Convert to fraction form
    51,135.52/76,681.32 = 17,845.60/x
  3. Step 3: Cross multiply
    51,135.52x = 76,681.32 × 17,845.60
  4. Step 4: Simplify right side
    51,135.52x = 1,368,424,164.19
  5. Step 5: Solve for x
    x = 1,368,424,164.19/51,135.52
  6. Step 6: Final answer
    x = 26,760.74

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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.