Home / 36,339.36-50,148.48-20,429.28

Finding the Fourth Proportional to 36,339.36, 50,148.48 and 20,429.28

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Solution

The fourth proportional to 36,339.36, 50,148.48 and 20,429.28 is: 28,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,339.36 : 50,148.48 = 20,429.28 : x
  2. Step 2: Convert to fraction form
    36,339.36/50,148.48 = 20,429.28/x
  3. Step 3: Cross multiply
    36,339.36x = 50,148.48 × 20,429.28
  4. Step 4: Simplify right side
    36,339.36x = 1,024,497,339.49
  5. Step 5: Solve for x
    x = 1,024,497,339.49/36,339.36
  6. Step 6: Final answer
    x = 28,192.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.