Home / 36,989.16-51,046.94-21,890.50

Finding the Fourth Proportional to 36,989.16, 51,046.94 and 21,890.50

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Solution

The fourth proportional to 36,989.16, 51,046.94 and 21,890.50 is: 30,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.16 : 51,046.94 = 21,890.50 : x
  2. Step 2: Convert to fraction form
    36,989.16/51,046.94 = 21,890.50/x
  3. Step 3: Cross multiply
    36,989.16x = 51,046.94 × 21,890.50
  4. Step 4: Simplify right side
    36,989.16x = 1,117,443,040.07
  5. Step 5: Solve for x
    x = 1,117,443,040.07/36,989.16
  6. Step 6: Final answer
    x = 30,210.01

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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.