Home / 51,917.96-77,883.42-20,323.94

Finding the Fourth Proportional to 51,917.96, 77,883.42 and 20,323.94

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Solution

The fourth proportional to 51,917.96, 77,883.42 and 20,323.94 is: 30,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,917.96 : 77,883.42 = 20,323.94 : x
  2. Step 2: Convert to fraction form
    51,917.96/77,883.42 = 20,323.94/x
  3. Step 3: Cross multiply
    51,917.96x = 77,883.42 × 20,323.94
  4. Step 4: Simplify right side
    51,917.96x = 1,582,897,955.07
  5. Step 5: Solve for x
    x = 1,582,897,955.07/51,917.96
  6. Step 6: Final answer
    x = 30,488.45

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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.