Home / 43,074.05-64,611.01-13,494.18

Finding the Fourth Proportional to 43,074.05, 64,611.01 and 13,494.18

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Solution

The fourth proportional to 43,074.05, 64,611.01 and 13,494.18 is: 20,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,074.05 : 64,611.01 = 13,494.18 : x
  2. Step 2: Convert to fraction form
    43,074.05/64,611.01 = 13,494.18/x
  3. Step 3: Cross multiply
    43,074.05x = 64,611.01 × 13,494.18
  4. Step 4: Simplify right side
    43,074.05x = 871,872,565.19
  5. Step 5: Solve for x
    x = 871,872,565.19/43,074.05
  6. Step 6: Final answer
    x = 20,241.25

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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.