Home / 43,183.19-64,777.10-13,603.34

Finding the Fourth Proportional to 43,183.19, 64,777.10 and 13,603.34

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Solution

The fourth proportional to 43,183.19, 64,777.10 and 13,603.34 is: 20,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.19 : 64,777.10 = 13,603.34 : x
  2. Step 2: Convert to fraction form
    43,183.19/64,777.10 = 13,603.34/x
  3. Step 3: Cross multiply
    43,183.19x = 64,777.10 × 13,603.34
  4. Step 4: Simplify right side
    43,183.19x = 881,184,523.61
  5. Step 5: Solve for x
    x = 881,184,523.61/43,183.19
  6. Step 6: Final answer
    x = 20,405.73

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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.