Home / 54,828.32-75,664.44-30,955.34

Finding the Fourth Proportional to 54,828.32, 75,664.44 and 30,955.34

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Solution

The fourth proportional to 54,828.32, 75,664.44 and 30,955.34 is: 42,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,828.32 : 75,664.44 = 30,955.34 : x
  2. Step 2: Convert to fraction form
    54,828.32/75,664.44 = 30,955.34/x
  3. Step 3: Cross multiply
    54,828.32x = 75,664.44 × 30,955.34
  4. Step 4: Simplify right side
    54,828.32x = 2,342,218,466.11
  5. Step 5: Solve for x
    x = 2,342,218,466.11/54,828.32
  6. Step 6: Final answer
    x = 42,719.14

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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.