Home / 30,167.34-45,190.44-14,387.64

Finding the Fourth Proportional to 30,167.34, 45,190.44 and 14,387.64

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Solution

The fourth proportional to 30,167.34, 45,190.44 and 14,387.64 is: 21,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.34 : 45,190.44 = 14,387.64 : x
  2. Step 2: Convert to fraction form
    30,167.34/45,190.44 = 14,387.64/x
  3. Step 3: Cross multiply
    30,167.34x = 45,190.44 × 14,387.64
  4. Step 4: Simplify right side
    30,167.34x = 650,183,782.16
  5. Step 5: Solve for x
    x = 650,183,782.16/30,167.34
  6. Step 6: Final answer
    x = 21,552.57

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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.