Home / 38,962.41-58,443.61-31,220.43

Finding the Fourth Proportional to 38,962.41, 58,443.61 and 31,220.43

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Solution

The fourth proportional to 38,962.41, 58,443.61 and 31,220.43 is: 46,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,962.41 : 58,443.61 = 31,220.43 : x
  2. Step 2: Convert to fraction form
    38,962.41/58,443.61 = 31,220.43/x
  3. Step 3: Cross multiply
    38,962.41x = 58,443.61 × 31,220.43
  4. Step 4: Simplify right side
    38,962.41x = 1,824,634,634.95
  5. Step 5: Solve for x
    x = 1,824,634,634.95/38,962.41
  6. Step 6: Final answer
    x = 46,830.64

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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.