Home / 53,881.34-80,824.23-20,603.84

Finding the Fourth Proportional to 53,881.34, 80,824.23 and 20,603.84

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Solution

The fourth proportional to 53,881.34, 80,824.23 and 20,603.84 is: 30,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,881.34 : 80,824.23 = 20,603.84 : x
  2. Step 2: Convert to fraction form
    53,881.34/80,824.23 = 20,603.84/x
  3. Step 3: Cross multiply
    53,881.34x = 80,824.23 × 20,603.84
  4. Step 4: Simplify right side
    53,881.34x = 1,665,289,098.92
  5. Step 5: Solve for x
    x = 1,665,289,098.92/53,881.34
  6. Step 6: Final answer
    x = 30,906.60

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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.