Home / 35,493.60-53,240.40-30,216.45

Finding the Fourth Proportional to 35,493.60, 53,240.40 and 30,216.45

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Solution

The fourth proportional to 35,493.60, 53,240.40 and 30,216.45 is: 45,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,493.60 : 53,240.40 = 30,216.45 : x
  2. Step 2: Convert to fraction form
    35,493.60/53,240.40 = 30,216.45/x
  3. Step 3: Cross multiply
    35,493.60x = 53,240.40 × 30,216.45
  4. Step 4: Simplify right side
    35,493.60x = 1,608,735,884.58
  5. Step 5: Solve for x
    x = 1,608,735,884.58/35,493.60
  6. Step 6: Final answer
    x = 45,324.68

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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.