Home / 39,243.85-58,857.27-14,284.51

Finding the Fourth Proportional to 39,243.85, 58,857.27 and 14,284.51

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Solution

The fourth proportional to 39,243.85, 58,857.27 and 14,284.51 is: 21,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243.85 : 58,857.27 = 14,284.51 : x
  2. Step 2: Convert to fraction form
    39,243.85/58,857.27 = 14,284.51/x
  3. Step 3: Cross multiply
    39,243.85x = 58,857.27 × 14,284.51
  4. Step 4: Simplify right side
    39,243.85x = 840,747,261.89
  5. Step 5: Solve for x
    x = 840,747,261.89/39,243.85
  6. Step 6: Final answer
    x = 21,423.67

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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.