Home / 43,439.44-65,157.80-13,859.04

Finding the Fourth Proportional to 43,439.44, 65,157.80 and 13,859.04

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Solution

The fourth proportional to 43,439.44, 65,157.80 and 13,859.04 is: 20,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,439.44 : 65,157.80 = 13,859.04 : x
  2. Step 2: Convert to fraction form
    43,439.44/65,157.80 = 13,859.04/x
  3. Step 3: Cross multiply
    43,439.44x = 65,157.80 × 13,859.04
  4. Step 4: Simplify right side
    43,439.44x = 903,024,556.51
  5. Step 5: Solve for x
    x = 903,024,556.51/43,439.44
  6. Step 6: Final answer
    x = 20,788.13

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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.