Home / 53,889.45-74,367.57-31,232.81

Finding the Fourth Proportional to 53,889.45, 74,367.57 and 31,232.81

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Solution

The fourth proportional to 53,889.45, 74,367.57 and 31,232.81 is: 43,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,889.45 : 74,367.57 = 31,232.81 : x
  2. Step 2: Convert to fraction form
    53,889.45/74,367.57 = 31,232.81/x
  3. Step 3: Cross multiply
    53,889.45x = 74,367.57 × 31,232.81
  4. Step 4: Simplify right side
    53,889.45x = 2,322,707,812.13
  5. Step 5: Solve for x
    x = 2,322,707,812.13/53,889.45
  6. Step 6: Final answer
    x = 43,101.35

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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.