Home / 70,298.22-105,447.33-30,855.68

Finding the Fourth Proportional to 70,298.22, 105,447.33 and 30,855.68

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Solution

The fourth proportional to 70,298.22, 105,447.33 and 30,855.68 is: 46,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,298.22 : 105,447.33 = 30,855.68 : x
  2. Step 2: Convert to fraction form
    70,298.22/105,447.33 = 30,855.68/x
  3. Step 3: Cross multiply
    70,298.22x = 105,447.33 × 30,855.68
  4. Step 4: Simplify right side
    70,298.22x = 3,253,648,544.10
  5. Step 5: Solve for x
    x = 3,253,648,544.10/70,298.22
  6. Step 6: Final answer
    x = 46,283.51

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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.