Home / 37,284.78-51,453.21-20,289.15

Finding the Fourth Proportional to 37,284.78, 51,453.21 and 20,289.15

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Solution

The fourth proportional to 37,284.78, 51,453.21 and 20,289.15 is: 27,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,284.78 : 51,453.21 = 20,289.15 : x
  2. Step 2: Convert to fraction form
    37,284.78/51,453.21 = 20,289.15/x
  3. Step 3: Cross multiply
    37,284.78x = 51,453.21 × 20,289.15
  4. Step 4: Simplify right side
    37,284.78x = 1,043,941,895.67
  5. Step 5: Solve for x
    x = 1,043,941,895.67/37,284.78
  6. Step 6: Final answer
    x = 27,999.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.