Home / 34,702.37-47,889.28-18,786.81

Finding the Fourth Proportional to 34,702.37, 47,889.28 and 18,786.81

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Solution

The fourth proportional to 34,702.37, 47,889.28 and 18,786.81 is: 25,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.37 : 47,889.28 = 18,786.81 : x
  2. Step 2: Convert to fraction form
    34,702.37/47,889.28 = 18,786.81/x
  3. Step 3: Cross multiply
    34,702.37x = 47,889.28 × 18,786.81
  4. Step 4: Simplify right side
    34,702.37x = 899,686,804.40
  5. Step 5: Solve for x
    x = 899,686,804.40/34,702.37
  6. Step 6: Final answer
    x = 25,925.80

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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.