Home / 30,161.09-45,256.62-13,532.87

Finding the Fourth Proportional to 30,161.09, 45,256.62 and 13,532.87

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Solution

The fourth proportional to 30,161.09, 45,256.62 and 13,532.87 is: 20,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.09 : 45,256.62 = 13,532.87 : x
  2. Step 2: Convert to fraction form
    30,161.09/45,256.62 = 13,532.87/x
  3. Step 3: Cross multiply
    30,161.09x = 45,256.62 × 13,532.87
  4. Step 4: Simplify right side
    30,161.09x = 612,451,955.10
  5. Step 5: Solve for x
    x = 612,451,955.10/30,161.09
  6. Step 6: Final answer
    x = 20,306.03

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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.