Home / 34,702.05-47,888.78-18,786.50

Finding the Fourth Proportional to 34,702.05, 47,888.78 and 18,786.50

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Solution

The fourth proportional to 34,702.05, 47,888.78 and 18,786.50 is: 25,925.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.05 : 47,888.78 = 18,786.50 : x
  2. Step 2: Convert to fraction form
    34,702.05/47,888.78 = 18,786.50/x
  3. Step 3: Cross multiply
    34,702.05x = 47,888.78 × 18,786.50
  4. Step 4: Simplify right side
    34,702.05x = 899,662,232.09
  5. Step 5: Solve for x
    x = 899,662,232.09/34,702.05
  6. Step 6: Final answer
    x = 25,925.33

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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.