Home / 30,203.56-45,302.10-18,496.36

Finding the Fourth Proportional to 30,203.56, 45,302.10 and 18,496.36

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Solution

The fourth proportional to 30,203.56, 45,302.10 and 18,496.36 is: 27,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.56 : 45,302.10 = 18,496.36 : x
  2. Step 2: Convert to fraction form
    30,203.56/45,302.10 = 18,496.36/x
  3. Step 3: Cross multiply
    30,203.56x = 45,302.10 × 18,496.36
  4. Step 4: Simplify right side
    30,203.56x = 837,923,950.36
  5. Step 5: Solve for x
    x = 837,923,950.36/30,203.56
  6. Step 6: Final answer
    x = 27,742.56

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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.