Home / 34,701.90-47,888.05-18,786.21

Finding the Fourth Proportional to 34,701.90, 47,888.05 and 18,786.21

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Solution

The fourth proportional to 34,701.90, 47,888.05 and 18,786.21 is: 25,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,701.90 : 47,888.05 = 18,786.21 : x
  2. Step 2: Convert to fraction form
    34,701.90/47,888.05 = 18,786.21/x
  3. Step 3: Cross multiply
    34,701.90x = 47,888.05 × 18,786.21
  4. Step 4: Simplify right side
    34,701.90x = 899,634,963.79
  5. Step 5: Solve for x
    x = 899,634,963.79/34,701.90
  6. Step 6: Final answer
    x = 25,924.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.