Home / 53,895.48-80,880.21-18,835.17

Finding the Fourth Proportional to 53,895.48, 80,880.21 and 18,835.17

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Solution

The fourth proportional to 53,895.48, 80,880.21 and 18,835.17 is: 28,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.48 : 80,880.21 = 18,835.17 : x
  2. Step 2: Convert to fraction form
    53,895.48/80,880.21 = 18,835.17/x
  3. Step 3: Cross multiply
    53,895.48x = 80,880.21 × 18,835.17
  4. Step 4: Simplify right side
    53,895.48x = 1,523,392,504.99
  5. Step 5: Solve for x
    x = 1,523,392,504.99/53,895.48
  6. Step 6: Final answer
    x = 28,265.68

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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.