Home / 39,263.37-54,182.89-21,358.50

Finding the Fourth Proportional to 39,263.37, 54,182.89 and 21,358.50

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Solution

The fourth proportional to 39,263.37, 54,182.89 and 21,358.50 is: 29,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,263.37 : 54,182.89 = 21,358.50 : x
  2. Step 2: Convert to fraction form
    39,263.37/54,182.89 = 21,358.50/x
  3. Step 3: Cross multiply
    39,263.37x = 54,182.89 × 21,358.50
  4. Step 4: Simplify right side
    39,263.37x = 1,157,265,256.07
  5. Step 5: Solve for x
    x = 1,157,265,256.07/39,263.37
  6. Step 6: Final answer
    x = 29,474.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.