Home / 53,340.18-73,611.56-30,679.14

Finding the Fourth Proportional to 53,340.18, 73,611.56 and 30,679.14

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Solution

The fourth proportional to 53,340.18, 73,611.56 and 30,679.14 is: 42,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,340.18 : 73,611.56 = 30,679.14 : x
  2. Step 2: Convert to fraction form
    53,340.18/73,611.56 = 30,679.14/x
  3. Step 3: Cross multiply
    53,340.18x = 73,611.56 × 30,679.14
  4. Step 4: Simplify right side
    53,340.18x = 2,258,339,707.60
  5. Step 5: Solve for x
    x = 2,258,339,707.60/53,340.18
  6. Step 6: Final answer
    x = 42,338.43

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Half scale
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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.