Home / 38,603.36-57,913.54-21,971.22

Finding the Fourth Proportional to 38,603.36, 57,913.54 and 21,971.22

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Solution

The fourth proportional to 38,603.36, 57,913.54 and 21,971.22 is: 32,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,603.36 : 57,913.54 = 21,971.22 : x
  2. Step 2: Convert to fraction form
    38,603.36/57,913.54 = 21,971.22/x
  3. Step 3: Cross multiply
    38,603.36x = 57,913.54 × 21,971.22
  4. Step 4: Simplify right side
    38,603.36x = 1,272,431,128.32
  5. Step 5: Solve for x
    x = 1,272,431,128.32/38,603.36
  6. Step 6: Final answer
    x = 32,961.67

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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.