Home / 38,605.36-57,916.54-21,973.22

Finding the Fourth Proportional to 38,605.36, 57,916.54 and 21,973.22

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Solution

The fourth proportional to 38,605.36, 57,916.54 and 21,973.22 is: 32,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,605.36 : 57,916.54 = 21,973.22 : x
  2. Step 2: Convert to fraction form
    38,605.36/57,916.54 = 21,973.22/x
  3. Step 3: Cross multiply
    38,605.36x = 57,916.54 × 21,973.22
  4. Step 4: Simplify right side
    38,605.36x = 1,272,612,875.06
  5. Step 5: Solve for x
    x = 1,272,612,875.06/38,605.36
  6. Step 6: Final answer
    x = 32,964.67

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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.