Home / 31,466.92-47,199.28-9,280.64

Finding the Fourth Proportional to 31,466.92, 47,199.28 and 9,280.64

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Solution

The fourth proportional to 31,466.92, 47,199.28 and 9,280.64 is: 13,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,466.92 : 47,199.28 = 9,280.64 : x
  2. Step 2: Convert to fraction form
    31,466.92/47,199.28 = 9,280.64/x
  3. Step 3: Cross multiply
    31,466.92x = 47,199.28 × 9,280.64
  4. Step 4: Simplify right side
    31,466.92x = 438,039,525.94
  5. Step 5: Solve for x
    x = 438,039,525.94/31,466.92
  6. Step 6: Final answer
    x = 13,920.64

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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.