Home / 31,281.91-46,890.06-14,627.91

Finding the Fourth Proportional to 31,281.91, 46,890.06 and 14,627.91

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Solution

The fourth proportional to 31,281.91, 46,890.06 and 14,627.91 is: 21,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.91 : 46,890.06 = 14,627.91 : x
  2. Step 2: Convert to fraction form
    31,281.91/46,890.06 = 14,627.91/x
  3. Step 3: Cross multiply
    31,281.91x = 46,890.06 × 14,627.91
  4. Step 4: Simplify right side
    31,281.91x = 685,903,343.12
  5. Step 5: Solve for x
    x = 685,903,343.12/31,281.91
  6. Step 6: Final answer
    x = 21,926.52

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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.