Home / 29,019.03-43,534.01-20,678.36

Finding the Fourth Proportional to 29,019.03, 43,534.01 and 20,678.36

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Solution

The fourth proportional to 29,019.03, 43,534.01 and 20,678.36 is: 31,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,019.03 : 43,534.01 = 20,678.36 : x
  2. Step 2: Convert to fraction form
    29,019.03/43,534.01 = 20,678.36/x
  3. Step 3: Cross multiply
    29,019.03x = 43,534.01 × 20,678.36
  4. Step 4: Simplify right side
    29,019.03x = 900,211,931.02
  5. Step 5: Solve for x
    x = 900,211,931.02/29,019.03
  6. Step 6: Final answer
    x = 31,021.43

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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.