Home / 51,308.80-76,905.60-26,339.20

Finding the Fourth Proportional to 51,308.80, 76,905.60 and 26,339.20

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Solution

The fourth proportional to 51,308.80, 76,905.60 and 26,339.20 is: 39,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308.80 : 76,905.60 = 26,339.20 : x
  2. Step 2: Convert to fraction form
    51,308.80/76,905.60 = 26,339.20/x
  3. Step 3: Cross multiply
    51,308.80x = 76,905.60 × 26,339.20
  4. Step 4: Simplify right side
    51,308.80x = 2,025,631,979.52
  5. Step 5: Solve for x
    x = 2,025,631,979.52/51,308.80
  6. Step 6: Final answer
    x = 39,479.23

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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.