Home / 77,433.03-116,135.62-20,507.29

Finding the Fourth Proportional to 77,433.03, 116,135.62 and 20,507.29

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Solution

The fourth proportional to 77,433.03, 116,135.62 and 20,507.29 is: 30,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433.03 : 116,135.62 = 20,507.29 : x
  2. Step 2: Convert to fraction form
    77,433.03/116,135.62 = 20,507.29/x
  3. Step 3: Cross multiply
    77,433.03x = 116,135.62 × 20,507.29
  4. Step 4: Simplify right side
    77,433.03x = 2,381,626,497.06
  5. Step 5: Solve for x
    x = 2,381,626,497.06/77,433.03
  6. Step 6: Final answer
    x = 30,757.24

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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.