Home / 39,899.30-55,063.08-22,903.43

Finding the Fourth Proportional to 39,899.30, 55,063.08 and 22,903.43

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Solution

The fourth proportional to 39,899.30, 55,063.08 and 22,903.43 is: 31,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.30 : 55,063.08 = 22,903.43 : x
  2. Step 2: Convert to fraction form
    39,899.30/55,063.08 = 22,903.43/x
  3. Step 3: Cross multiply
    39,899.30x = 55,063.08 × 22,903.43
  4. Step 4: Simplify right side
    39,899.30x = 1,261,133,123.05
  5. Step 5: Solve for x
    x = 1,261,133,123.05/39,899.30
  6. Step 6: Final answer
    x = 31,607.90

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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.