Home / 30,847.43-46,297.47-12,140.58

Finding the Fourth Proportional to 30,847.43, 46,297.47 and 12,140.58

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Solution

The fourth proportional to 30,847.43, 46,297.47 and 12,140.58 is: 18,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.43 : 46,297.47 = 12,140.58 : x
  2. Step 2: Convert to fraction form
    30,847.43/46,297.47 = 12,140.58/x
  3. Step 3: Cross multiply
    30,847.43x = 46,297.47 × 12,140.58
  4. Step 4: Simplify right side
    30,847.43x = 562,078,357.48
  5. Step 5: Solve for x
    x = 562,078,357.48/30,847.43
  6. Step 6: Final answer
    x = 18,221.24

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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.