Home / 45,258.26-67,910.00-20,316.06

Finding the Fourth Proportional to 45,258.26, 67,910.00 and 20,316.06

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Solution

The fourth proportional to 45,258.26, 67,910.00 and 20,316.06 is: 30,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,258.26 : 67,910.00 = 20,316.06 : x
  2. Step 2: Convert to fraction form
    45,258.26/67,910.00 = 20,316.06/x
  3. Step 3: Cross multiply
    45,258.26x = 67,910.00 × 20,316.06
  4. Step 4: Simplify right side
    45,258.26x = 1,379,663,533.02
  5. Step 5: Solve for x
    x = 1,379,663,533.02/45,258.26
  6. Step 6: Final answer
    x = 30,484.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.