Home / 45,125.38-67,674.86-13,534.16

Finding the Fourth Proportional to 45,125.38, 67,674.86 and 13,534.16

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Solution

The fourth proportional to 45,125.38, 67,674.86 and 13,534.16 is: 20,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,125.38 : 67,674.86 = 13,534.16 : x
  2. Step 2: Convert to fraction form
    45,125.38/67,674.86 = 13,534.16/x
  3. Step 3: Cross multiply
    45,125.38x = 67,674.86 × 13,534.16
  4. Step 4: Simplify right side
    45,125.38x = 915,922,383.22
  5. Step 5: Solve for x
    x = 915,922,383.22/45,125.38
  6. Step 6: Final answer
    x = 20,297.28

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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.