Home / 53,792.39-80,632.99-20,503.51

Finding the Fourth Proportional to 53,792.39, 80,632.99 and 20,503.51

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Solution

The fourth proportional to 53,792.39, 80,632.99 and 20,503.51 is: 30,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,792.39 : 80,632.99 = 20,503.51 : x
  2. Step 2: Convert to fraction form
    53,792.39/80,632.99 = 20,503.51/x
  3. Step 3: Cross multiply
    53,792.39x = 80,632.99 × 20,503.51
  4. Step 4: Simplify right side
    53,792.39x = 1,653,259,316.79
  5. Step 5: Solve for x
    x = 1,653,259,316.79/53,792.39
  6. Step 6: Final answer
    x = 30,734.07

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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.