Home / 53,403.36-80,104.14-21,806.46

Finding the Fourth Proportional to 53,403.36, 80,104.14 and 21,806.46

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Solution

The fourth proportional to 53,403.36, 80,104.14 and 21,806.46 is: 32,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.36 : 80,104.14 = 21,806.46 : x
  2. Step 2: Convert to fraction form
    53,403.36/80,104.14 = 21,806.46/x
  3. Step 3: Cross multiply
    53,403.36x = 80,104.14 × 21,806.46
  4. Step 4: Simplify right side
    53,403.36x = 1,746,787,724.74
  5. Step 5: Solve for x
    x = 1,746,787,724.74/53,403.36
  6. Step 6: Final answer
    x = 32,709.32

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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.