Home / 54,449.16-75,141.84-31,802.64

Finding the Fourth Proportional to 54,449.16, 75,141.84 and 31,802.64

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Solution

The fourth proportional to 54,449.16, 75,141.84 and 31,802.64 is: 43,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,449.16 : 75,141.84 = 31,802.64 : x
  2. Step 2: Convert to fraction form
    54,449.16/75,141.84 = 31,802.64/x
  3. Step 3: Cross multiply
    54,449.16x = 75,141.84 × 31,802.64
  4. Step 4: Simplify right side
    54,449.16x = 2,389,708,886.46
  5. Step 5: Solve for x
    x = 2,389,708,886.46/54,449.16
  6. Step 6: Final answer
    x = 43,888.81

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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.