Home / 31,709.60-47,523.08-17,669.06

Finding the Fourth Proportional to 31,709.60, 47,523.08 and 17,669.06

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Solution

The fourth proportional to 31,709.60, 47,523.08 and 17,669.06 is: 26,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.60 : 47,523.08 = 17,669.06 : x
  2. Step 2: Convert to fraction form
    31,709.60/47,523.08 = 17,669.06/x
  3. Step 3: Cross multiply
    31,709.60x = 47,523.08 × 17,669.06
  4. Step 4: Simplify right side
    31,709.60x = 839,688,151.90
  5. Step 5: Solve for x
    x = 839,688,151.90/31,709.60
  6. Step 6: Final answer
    x = 26,480.57

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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.