Home / 36,143.14-54,247.12-30,256.88

Finding the Fourth Proportional to 36,143.14, 54,247.12 and 30,256.88

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Solution

The fourth proportional to 36,143.14, 54,247.12 and 30,256.88 is: 45,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.14 : 54,247.12 = 30,256.88 : x
  2. Step 2: Convert to fraction form
    36,143.14/54,247.12 = 30,256.88/x
  3. Step 3: Cross multiply
    36,143.14x = 54,247.12 × 30,256.88
  4. Step 4: Simplify right side
    36,143.14x = 1,641,348,600.19
  5. Step 5: Solve for x
    x = 1,641,348,600.19/36,143.14
  6. Step 6: Final answer
    x = 45,412.45

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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.