Home / 35,716.26-49,288.47-19,800.90

Finding the Fourth Proportional to 35,716.26, 49,288.47 and 19,800.90

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Solution

The fourth proportional to 35,716.26, 49,288.47 and 19,800.90 is: 27,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,716.26 : 49,288.47 = 19,800.90 : x
  2. Step 2: Convert to fraction form
    35,716.26/49,288.47 = 19,800.90/x
  3. Step 3: Cross multiply
    35,716.26x = 49,288.47 × 19,800.90
  4. Step 4: Simplify right side
    35,716.26x = 975,956,065.62
  5. Step 5: Solve for x
    x = 975,956,065.62/35,716.26
  6. Step 6: Final answer
    x = 27,325.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.