Home / 48,976.80-73,465.20-31,466.40

Finding the Fourth Proportional to 48,976.80, 73,465.20 and 31,466.40

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Solution

The fourth proportional to 48,976.80, 73,465.20 and 31,466.40 is: 47,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,976.80 : 73,465.20 = 31,466.40 : x
  2. Step 2: Convert to fraction form
    48,976.80/73,465.20 = 31,466.40/x
  3. Step 3: Cross multiply
    48,976.80x = 73,465.20 × 31,466.40
  4. Step 4: Simplify right side
    48,976.80x = 2,311,685,369.28
  5. Step 5: Solve for x
    x = 2,311,685,369.28/48,976.80
  6. Step 6: Final answer
    x = 47,199.60

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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.