Home / 42,850.24-64,284.74-12,863.23

Finding the Fourth Proportional to 42,850.24, 64,284.74 and 12,863.23

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Solution

The fourth proportional to 42,850.24, 64,284.74 and 12,863.23 is: 19,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,850.24 : 64,284.74 = 12,863.23 : x
  2. Step 2: Convert to fraction form
    42,850.24/64,284.74 = 12,863.23/x
  3. Step 3: Cross multiply
    42,850.24x = 64,284.74 × 12,863.23
  4. Step 4: Simplify right side
    42,850.24x = 826,909,396.11
  5. Step 5: Solve for x
    x = 826,909,396.11/42,850.24
  6. Step 6: Final answer
    x = 19,297.66

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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.