Home / 53,991.32-74,491.48-31,322.44

Finding the Fourth Proportional to 53,991.32, 74,491.48 and 31,322.44

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Solution

The fourth proportional to 53,991.32, 74,491.48 and 31,322.44 is: 43,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,991.32 : 74,491.48 = 31,322.44 : x
  2. Step 2: Convert to fraction form
    53,991.32/74,491.48 = 31,322.44/x
  3. Step 3: Cross multiply
    53,991.32x = 74,491.48 × 31,322.44
  4. Step 4: Simplify right side
    53,991.32x = 2,333,254,912.81
  5. Step 5: Solve for x
    x = 2,333,254,912.81/53,991.32
  6. Step 6: Final answer
    x = 43,215.37

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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.