Home / 38,896.80-58,339.44-12,603.84

Finding the Fourth Proportional to 38,896.80, 58,339.44 and 12,603.84

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Solution

The fourth proportional to 38,896.80, 58,339.44 and 12,603.84 is: 18,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,896.80 : 58,339.44 = 12,603.84 : x
  2. Step 2: Convert to fraction form
    38,896.80/58,339.44 = 12,603.84/x
  3. Step 3: Cross multiply
    38,896.80x = 58,339.44 × 12,603.84
  4. Step 4: Simplify right side
    38,896.80x = 735,300,967.45
  5. Step 5: Solve for x
    x = 735,300,967.45/38,896.80
  6. Step 6: Final answer
    x = 18,903.89

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1.5x scale

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.