Home / 48,021.94-72,032.93-12,961.60

Finding the Fourth Proportional to 48,021.94, 72,032.93 and 12,961.60

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Solution

The fourth proportional to 48,021.94, 72,032.93 and 12,961.60 is: 19,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,021.94 : 72,032.93 = 12,961.60 : x
  2. Step 2: Convert to fraction form
    48,021.94/72,032.93 = 12,961.60/x
  3. Step 3: Cross multiply
    48,021.94x = 72,032.93 × 12,961.60
  4. Step 4: Simplify right side
    48,021.94x = 933,661,829.20
  5. Step 5: Solve for x
    x = 933,661,829.20/48,021.94
  6. Step 6: Final answer
    x = 19,442.40

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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.