Home / 31,040.64-46,541.52-14,390.28

Finding the Fourth Proportional to 31,040.64, 46,541.52 and 14,390.28

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Solution

The fourth proportional to 31,040.64, 46,541.52 and 14,390.28 is: 21,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.64 : 46,541.52 = 14,390.28 : x
  2. Step 2: Convert to fraction form
    31,040.64/46,541.52 = 14,390.28/x
  3. Step 3: Cross multiply
    31,040.64x = 46,541.52 × 14,390.28
  4. Step 4: Simplify right side
    31,040.64x = 669,745,504.43
  5. Step 5: Solve for x
    x = 669,745,504.43/31,040.64
  6. Step 6: Final answer
    x = 21,576.41

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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.