Home / 38,927.82-58,399.95-12,630.53

Finding the Fourth Proportional to 38,927.82, 58,399.95 and 12,630.53

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Solution

The fourth proportional to 38,927.82, 58,399.95 and 12,630.53 is: 18,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.82 : 58,399.95 = 12,630.53 : x
  2. Step 2: Convert to fraction form
    38,927.82/58,399.95 = 12,630.53/x
  3. Step 3: Cross multiply
    38,927.82x = 58,399.95 × 12,630.53
  4. Step 4: Simplify right side
    38,927.82x = 737,622,513.84
  5. Step 5: Solve for x
    x = 737,622,513.84/38,927.82
  6. Step 6: Final answer
    x = 18,948.47

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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.