Home / 30,534.80-45,823.83-13,896.97

Finding the Fourth Proportional to 30,534.80, 45,823.83 and 13,896.97

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Solution

The fourth proportional to 30,534.80, 45,823.83 and 13,896.97 is: 20,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,534.80 : 45,823.83 = 13,896.97 : x
  2. Step 2: Convert to fraction form
    30,534.80/45,823.83 = 13,896.97/x
  3. Step 3: Cross multiply
    30,534.80x = 45,823.83 × 13,896.97
  4. Step 4: Simplify right side
    30,534.80x = 636,812,390.80
  5. Step 5: Solve for x
    x = 636,812,390.80/30,534.80
  6. Step 6: Final answer
    x = 20,855.30

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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.