Home / 31,897.41-47,851.26-9,705.55

Finding the Fourth Proportional to 31,897.41, 47,851.26 and 9,705.55

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Solution

The fourth proportional to 31,897.41, 47,851.26 and 9,705.55 is: 14,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.41 : 47,851.26 = 9,705.55 : x
  2. Step 2: Convert to fraction form
    31,897.41/47,851.26 = 9,705.55/x
  3. Step 3: Cross multiply
    31,897.41x = 47,851.26 × 9,705.55
  4. Step 4: Simplify right side
    31,897.41x = 464,422,796.49
  5. Step 5: Solve for x
    x = 464,422,796.49/31,897.41
  6. Step 6: Final answer
    x = 14,559.89

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1.5x scale

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.