Home / 31,232.84-43,132.80-19,907.67

Finding the Fourth Proportional to 31,232.84, 43,132.80 and 19,907.67

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Solution

The fourth proportional to 31,232.84, 43,132.80 and 19,907.67 is: 27,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,232.84 : 43,132.80 = 19,907.67 : x
  2. Step 2: Convert to fraction form
    31,232.84/43,132.80 = 19,907.67/x
  3. Step 3: Cross multiply
    31,232.84x = 43,132.80 × 19,907.67
  4. Step 4: Simplify right side
    31,232.84x = 858,673,784.98
  5. Step 5: Solve for x
    x = 858,673,784.98/31,232.84
  6. Step 6: Final answer
    x = 27,492.66

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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.