Home / 54,410.71-75,094.12-30,538.70

Finding the Fourth Proportional to 54,410.71, 75,094.12 and 30,538.70

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Solution

The fourth proportional to 54,410.71, 75,094.12 and 30,538.70 is: 42,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,410.71 : 75,094.12 = 30,538.70 : x
  2. Step 2: Convert to fraction form
    54,410.71/75,094.12 = 30,538.70/x
  3. Step 3: Cross multiply
    54,410.71x = 75,094.12 × 30,538.70
  4. Step 4: Simplify right side
    54,410.71x = 2,293,276,802.44
  5. Step 5: Solve for x
    x = 2,293,276,802.44/54,410.71
  6. Step 6: Final answer
    x = 42,147.53

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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.