Home / 30,784.08-46,156.88-13,005.60

Finding the Fourth Proportional to 30,784.08, 46,156.88 and 13,005.60

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Solution

The fourth proportional to 30,784.08, 46,156.88 and 13,005.60 is: 19,500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,784.08 : 46,156.88 = 13,005.60 : x
  2. Step 2: Convert to fraction form
    30,784.08/46,156.88 = 13,005.60/x
  3. Step 3: Cross multiply
    30,784.08x = 46,156.88 × 13,005.60
  4. Step 4: Simplify right side
    30,784.08x = 600,297,918.53
  5. Step 5: Solve for x
    x = 600,297,918.53/30,784.08
  6. Step 6: Final answer
    x = 19,500.27

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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.