Home / 51,289.44-76,970.30-18,012.10

Finding the Fourth Proportional to 51,289.44, 76,970.30 and 18,012.10

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Solution

The fourth proportional to 51,289.44, 76,970.30 and 18,012.10 is: 27,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,289.44 : 76,970.30 = 18,012.10 : x
  2. Step 2: Convert to fraction form
    51,289.44/76,970.30 = 18,012.10/x
  3. Step 3: Cross multiply
    51,289.44x = 76,970.30 × 18,012.10
  4. Step 4: Simplify right side
    51,289.44x = 1,386,396,740.63
  5. Step 5: Solve for x
    x = 1,386,396,740.63/51,289.44
  6. Step 6: Final answer
    x = 27,030.84

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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.