Home / 30,864.58-46,245.03-19,206.34

Finding the Fourth Proportional to 30,864.58, 46,245.03 and 19,206.34

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Solution

The fourth proportional to 30,864.58, 46,245.03 and 19,206.34 is: 28,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.58 : 46,245.03 = 19,206.34 : x
  2. Step 2: Convert to fraction form
    30,864.58/46,245.03 = 19,206.34/x
  3. Step 3: Cross multiply
    30,864.58x = 46,245.03 × 19,206.34
  4. Step 4: Simplify right side
    30,864.58x = 888,197,769.49
  5. Step 5: Solve for x
    x = 888,197,769.49/30,864.58
  6. Step 6: Final answer
    x = 28,777.25

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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.