Home / 39,905.85-55,054.58-22,903.95

Finding the Fourth Proportional to 39,905.85, 55,054.58 and 22,903.95

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Solution

The fourth proportional to 39,905.85, 55,054.58 and 22,903.95 is: 31,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905.85 : 55,054.58 = 22,903.95 : x
  2. Step 2: Convert to fraction form
    39,905.85/55,054.58 = 22,903.95/x
  3. Step 3: Cross multiply
    39,905.85x = 55,054.58 × 22,903.95
  4. Step 4: Simplify right side
    39,905.85x = 1,260,967,347.59
  5. Step 5: Solve for x
    x = 1,260,967,347.59/39,905.85
  6. Step 6: Final answer
    x = 31,598.56

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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.