Home / 43,015.47-64,521.85-11,850.45

Finding the Fourth Proportional to 43,015.47, 64,521.85 and 11,850.45

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Solution

The fourth proportional to 43,015.47, 64,521.85 and 11,850.45 is: 17,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,015.47 : 64,521.85 = 11,850.45 : x
  2. Step 2: Convert to fraction form
    43,015.47/64,521.85 = 11,850.45/x
  3. Step 3: Cross multiply
    43,015.47x = 64,521.85 × 11,850.45
  4. Step 4: Simplify right side
    43,015.47x = 764,612,957.33
  5. Step 5: Solve for x
    x = 764,612,957.33/43,015.47
  6. Step 6: Final answer
    x = 17,775.30

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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.