Home / 55,506.12-76,600.26-30,355.64

Finding the Fourth Proportional to 55,506.12, 76,600.26 and 30,355.64

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Solution

The fourth proportional to 55,506.12, 76,600.26 and 30,355.64 is: 41,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,506.12 : 76,600.26 = 30,355.64 : x
  2. Step 2: Convert to fraction form
    55,506.12/76,600.26 = 30,355.64/x
  3. Step 3: Cross multiply
    55,506.12x = 76,600.26 × 30,355.64
  4. Step 4: Simplify right side
    55,506.12x = 2,325,249,916.47
  5. Step 5: Solve for x
    x = 2,325,249,916.47/55,506.12
  6. Step 6: Final answer
    x = 41,891.78

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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.