Home / 53,883.77-74,357.73-30,009.20

Finding the Fourth Proportional to 53,883.77, 74,357.73 and 30,009.20

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Solution

The fourth proportional to 53,883.77, 74,357.73 and 30,009.20 is: 41,411.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.77 : 74,357.73 = 30,009.20 : x
  2. Step 2: Convert to fraction form
    53,883.77/74,357.73 = 30,009.20/x
  3. Step 3: Cross multiply
    53,883.77x = 74,357.73 × 30,009.20
  4. Step 4: Simplify right side
    53,883.77x = 2,231,415,619.33
  5. Step 5: Solve for x
    x = 2,231,415,619.33/53,883.77
  6. Step 6: Final answer
    x = 41,411.65

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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.