Home / 31,941.77-47,878.25-15,266.35

Finding the Fourth Proportional to 31,941.77, 47,878.25 and 15,266.35

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Solution

The fourth proportional to 31,941.77, 47,878.25 and 15,266.35 is: 22,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,941.77 : 47,878.25 = 15,266.35 : x
  2. Step 2: Convert to fraction form
    31,941.77/47,878.25 = 15,266.35/x
  3. Step 3: Cross multiply
    31,941.77x = 47,878.25 × 15,266.35
  4. Step 4: Simplify right side
    31,941.77x = 730,926,121.89
  5. Step 5: Solve for x
    x = 730,926,121.89/31,941.77
  6. Step 6: Final answer
    x = 22,883.08

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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.