Home / 31,268.88-46,973.88-18,153.36

Finding the Fourth Proportional to 31,268.88, 46,973.88 and 18,153.36

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Solution

The fourth proportional to 31,268.88, 46,973.88 and 18,153.36 is: 27,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268.88 : 46,973.88 = 18,153.36 : x
  2. Step 2: Convert to fraction form
    31,268.88/46,973.88 = 18,153.36/x
  3. Step 3: Cross multiply
    31,268.88x = 46,973.88 × 18,153.36
  4. Step 4: Simplify right side
    31,268.88x = 852,733,754.24
  5. Step 5: Solve for x
    x = 852,733,754.24/31,268.88
  6. Step 6: Final answer
    x = 27,271.00

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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.