Home / 39,172.74-58,718.88-15,470.67

Finding the Fourth Proportional to 39,172.74, 58,718.88 and 15,470.67

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Solution

The fourth proportional to 39,172.74, 58,718.88 and 15,470.67 is: 23,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.74 : 58,718.88 = 15,470.67 : x
  2. Step 2: Convert to fraction form
    39,172.74/58,718.88 = 15,470.67/x
  3. Step 3: Cross multiply
    39,172.74x = 58,718.88 × 15,470.67
  4. Step 4: Simplify right side
    39,172.74x = 908,420,415.25
  5. Step 5: Solve for x
    x = 908,420,415.25/39,172.74
  6. Step 6: Final answer
    x = 23,190.12

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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.