Home / 31,043.32-46,573.08-19,955.56

Finding the Fourth Proportional to 31,043.32, 46,573.08 and 19,955.56

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Solution

The fourth proportional to 31,043.32, 46,573.08 and 19,955.56 is: 29,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,043.32 : 46,573.08 = 19,955.56 : x
  2. Step 2: Convert to fraction form
    31,043.32/46,573.08 = 19,955.56/x
  3. Step 3: Cross multiply
    31,043.32x = 46,573.08 × 19,955.56
  4. Step 4: Simplify right side
    31,043.32x = 929,391,892.32
  5. Step 5: Solve for x
    x = 929,391,892.32/31,043.32
  6. Step 6: Final answer
    x = 29,938.55

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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.