Home / 59,438.19-89,147.70-21,989.67

Finding the Fourth Proportional to 59,438.19, 89,147.70 and 21,989.67

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Solution

The fourth proportional to 59,438.19, 89,147.70 and 21,989.67 is: 32,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,438.19 : 89,147.70 = 21,989.67 : x
  2. Step 2: Convert to fraction form
    59,438.19/89,147.70 = 21,989.67/x
  3. Step 3: Cross multiply
    59,438.19x = 89,147.70 × 21,989.67
  4. Step 4: Simplify right side
    59,438.19x = 1,960,328,504.26
  5. Step 5: Solve for x
    x = 1,960,328,504.26/59,438.19
  6. Step 6: Final answer
    x = 32,980.96

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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.