Home / 45,284.87-62,471.40-31,863.53

Finding the Fourth Proportional to 45,284.87, 62,471.40 and 31,863.53

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Solution

The fourth proportional to 45,284.87, 62,471.40 and 31,863.53 is: 43,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,284.87 : 62,471.40 = 31,863.53 : x
  2. Step 2: Convert to fraction form
    45,284.87/62,471.40 = 31,863.53/x
  3. Step 3: Cross multiply
    45,284.87x = 62,471.40 × 31,863.53
  4. Step 4: Simplify right side
    45,284.87x = 1,990,559,015.69
  5. Step 5: Solve for x
    x = 1,990,559,015.69/45,284.87
  6. Step 6: Final answer
    x = 43,956.39

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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.