Home / 30,157.46-45,256.94-13,536.08

Finding the Fourth Proportional to 30,157.46, 45,256.94 and 13,536.08

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Solution

The fourth proportional to 30,157.46, 45,256.94 and 13,536.08 is: 20,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.46 : 45,256.94 = 13,536.08 : x
  2. Step 2: Convert to fraction form
    30,157.46/45,256.94 = 13,536.08/x
  3. Step 3: Cross multiply
    30,157.46x = 45,256.94 × 13,536.08
  4. Step 4: Simplify right side
    30,157.46x = 612,601,560.40
  5. Step 5: Solve for x
    x = 612,601,560.40/30,157.46
  6. Step 6: Final answer
    x = 20,313.43

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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.