Home / 49,681.08-74,520.96-12,241.60

Finding the Fourth Proportional to 49,681.08, 74,520.96 and 12,241.60

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Solution

The fourth proportional to 49,681.08, 74,520.96 and 12,241.60 is: 18,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,681.08 : 74,520.96 = 12,241.60 : x
  2. Step 2: Convert to fraction form
    49,681.08/74,520.96 = 12,241.60/x
  3. Step 3: Cross multiply
    49,681.08x = 74,520.96 × 12,241.60
  4. Step 4: Simplify right side
    49,681.08x = 912,255,783.94
  5. Step 5: Solve for x
    x = 912,255,783.94/49,681.08
  6. Step 6: Final answer
    x = 18,362.24

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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.