Home / 53,920.49-80,906.85-21,898.76

Finding the Fourth Proportional to 53,920.49, 80,906.85 and 21,898.76

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Solution

The fourth proportional to 53,920.49, 80,906.85 and 21,898.76 is: 32,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920.49 : 80,906.85 = 21,898.76 : x
  2. Step 2: Convert to fraction form
    53,920.49/80,906.85 = 21,898.76/x
  3. Step 3: Cross multiply
    53,920.49x = 80,906.85 × 21,898.76
  4. Step 4: Simplify right side
    53,920.49x = 1,771,759,285.97
  5. Step 5: Solve for x
    x = 1,771,759,285.97/53,920.49
  6. Step 6: Final answer
    x = 32,858.74

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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.