Home / 51,283.74-76,881.45-20,111.58

Finding the Fourth Proportional to 51,283.74, 76,881.45 and 20,111.58

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Solution

The fourth proportional to 51,283.74, 76,881.45 and 20,111.58 is: 30,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,283.74 : 76,881.45 = 20,111.58 : x
  2. Step 2: Convert to fraction form
    51,283.74/76,881.45 = 20,111.58/x
  3. Step 3: Cross multiply
    51,283.74x = 76,881.45 × 20,111.58
  4. Step 4: Simplify right side
    51,283.74x = 1,546,207,432.19
  5. Step 5: Solve for x
    x = 1,546,207,432.19/51,283.74
  6. Step 6: Final answer
    x = 30,150.05

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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.