Home / 53,327.28-73,601.09-30,664.51

Finding the Fourth Proportional to 53,327.28, 73,601.09 and 30,664.51

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Solution

The fourth proportional to 53,327.28, 73,601.09 and 30,664.51 is: 42,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,327.28 : 73,601.09 = 30,664.51 : x
  2. Step 2: Convert to fraction form
    53,327.28/73,601.09 = 30,664.51/x
  3. Step 3: Cross multiply
    53,327.28x = 73,601.09 × 30,664.51
  4. Step 4: Simplify right side
    53,327.28x = 2,256,941,360.32
  5. Step 5: Solve for x
    x = 2,256,941,360.32/53,327.28
  6. Step 6: Final answer
    x = 42,322.45

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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.