Home / 51,407.25-77,112.39-13,967.12

Finding the Fourth Proportional to 51,407.25, 77,112.39 and 13,967.12

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Solution

The fourth proportional to 51,407.25, 77,112.39 and 13,967.12 is: 20,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,407.25 : 77,112.39 = 13,967.12 : x
  2. Step 2: Convert to fraction form
    51,407.25/77,112.39 = 13,967.12/x
  3. Step 3: Cross multiply
    51,407.25x = 77,112.39 × 13,967.12
  4. Step 4: Simplify right side
    51,407.25x = 1,077,038,004.62
  5. Step 5: Solve for x
    x = 1,077,038,004.62/51,407.25
  6. Step 6: Final answer
    x = 20,951.09

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1.5x scale

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.