Home / 30,110.37-45,131.72-14,302.46

Finding the Fourth Proportional to 30,110.37, 45,131.72 and 14,302.46

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Solution

The fourth proportional to 30,110.37, 45,131.72 and 14,302.46 is: 21,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.37 : 45,131.72 = 14,302.46 : x
  2. Step 2: Convert to fraction form
    30,110.37/45,131.72 = 14,302.46/x
  3. Step 3: Cross multiply
    30,110.37x = 45,131.72 × 14,302.46
  4. Step 4: Simplify right side
    30,110.37x = 645,494,620.03
  5. Step 5: Solve for x
    x = 645,494,620.03/30,110.37
  6. Step 6: Final answer
    x = 21,437.62

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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.