Home / 31,827.81-43,923.77-17,680.67

Finding the Fourth Proportional to 31,827.81, 43,923.77 and 17,680.67

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Solution

The fourth proportional to 31,827.81, 43,923.77 and 17,680.67 is: 24,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.81 : 43,923.77 = 17,680.67 : x
  2. Step 2: Convert to fraction form
    31,827.81/43,923.77 = 17,680.67/x
  3. Step 3: Cross multiply
    31,827.81x = 43,923.77 × 17,680.67
  4. Step 4: Simplify right side
    31,827.81x = 776,601,682.53
  5. Step 5: Solve for x
    x = 776,601,682.53/31,827.81
  6. Step 6: Final answer
    x = 24,400.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.