Home / 31,438.16-47,093.97-14,547.39

Finding the Fourth Proportional to 31,438.16, 47,093.97 and 14,547.39

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Solution

The fourth proportional to 31,438.16, 47,093.97 and 14,547.39 is: 21,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,438.16 : 47,093.97 = 14,547.39 : x
  2. Step 2: Convert to fraction form
    31,438.16/47,093.97 = 14,547.39/x
  3. Step 3: Cross multiply
    31,438.16x = 47,093.97 × 14,547.39
  4. Step 4: Simplify right side
    31,438.16x = 685,094,226.19
  5. Step 5: Solve for x
    x = 685,094,226.19/31,438.16
  6. Step 6: Final answer
    x = 21,791.81

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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.