Home / 39,303.14-58,954.76-9,720.55

Finding the Fourth Proportional to 39,303.14, 58,954.76 and 9,720.55

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Solution

The fourth proportional to 39,303.14, 58,954.76 and 9,720.55 is: 14,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,303.14 : 58,954.76 = 9,720.55 : x
  2. Step 2: Convert to fraction form
    39,303.14/58,954.76 = 9,720.55/x
  3. Step 3: Cross multiply
    39,303.14x = 58,954.76 × 9,720.55
  4. Step 4: Simplify right side
    39,303.14x = 573,072,348.94
  5. Step 5: Solve for x
    x = 573,072,348.94/39,303.14
  6. Step 6: Final answer
    x = 14,580.83

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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.