Home / 45,154.23-67,698.54-18,866.49

Finding the Fourth Proportional to 45,154.23, 67,698.54 and 18,866.49

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Solution

The fourth proportional to 45,154.23, 67,698.54 and 18,866.49 is: 28,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,154.23 : 67,698.54 = 18,866.49 : x
  2. Step 2: Convert to fraction form
    45,154.23/67,698.54 = 18,866.49/x
  3. Step 3: Cross multiply
    45,154.23x = 67,698.54 × 18,866.49
  4. Step 4: Simplify right side
    45,154.23x = 1,277,233,827.92
  5. Step 5: Solve for x
    x = 1,277,233,827.92/45,154.23
  6. Step 6: Final answer
    x = 28,286.03

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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.