Home / 53,981.32-74,494.62-30,109.54

Finding the Fourth Proportional to 53,981.32, 74,494.62 and 30,109.54

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Solution

The fourth proportional to 53,981.32, 74,494.62 and 30,109.54 is: 41,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.32 : 74,494.62 = 30,109.54 : x
  2. Step 2: Convert to fraction form
    53,981.32/74,494.62 = 30,109.54/x
  3. Step 3: Cross multiply
    53,981.32x = 74,494.62 × 30,109.54
  4. Step 4: Simplify right side
    53,981.32x = 2,242,998,740.67
  5. Step 5: Solve for x
    x = 2,242,998,740.67/53,981.32
  6. Step 6: Final answer
    x = 41,551.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.