Home / 49,670.80-74,506.20-31,008.40

Finding the Fourth Proportional to 49,670.80, 74,506.20 and 31,008.40

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Solution

The fourth proportional to 49,670.80, 74,506.20 and 31,008.40 is: 46,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,670.80 : 74,506.20 = 31,008.40 : x
  2. Step 2: Convert to fraction form
    49,670.80/74,506.20 = 31,008.40/x
  3. Step 3: Cross multiply
    49,670.80x = 74,506.20 × 31,008.40
  4. Step 4: Simplify right side
    49,670.80x = 2,310,318,052.08
  5. Step 5: Solve for x
    x = 2,310,318,052.08/49,670.80
  6. Step 6: Final answer
    x = 46,512.60

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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.