Home / 36,305.40-54,458.10-30,161.40

Finding the Fourth Proportional to 36,305.40, 54,458.10 and 30,161.40

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Solution

The fourth proportional to 36,305.40, 54,458.10 and 30,161.40 is: 45,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,305.40 : 54,458.10 = 30,161.40 : x
  2. Step 2: Convert to fraction form
    36,305.40/54,458.10 = 30,161.40/x
  3. Step 3: Cross multiply
    36,305.40x = 54,458.10 × 30,161.40
  4. Step 4: Simplify right side
    36,305.40x = 1,642,532,537.34
  5. Step 5: Solve for x
    x = 1,642,532,537.34/36,305.40
  6. Step 6: Final answer
    x = 45,242.10

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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.