Home / 36,128.17-49,866.89-21,023.75

Finding the Fourth Proportional to 36,128.17, 49,866.89 and 21,023.75

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Solution

The fourth proportional to 36,128.17, 49,866.89 and 21,023.75 is: 29,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128.17 : 49,866.89 = 21,023.75 : x
  2. Step 2: Convert to fraction form
    36,128.17/49,866.89 = 21,023.75/x
  3. Step 3: Cross multiply
    36,128.17x = 49,866.89 × 21,023.75
  4. Step 4: Simplify right side
    36,128.17x = 1,048,389,028.64
  5. Step 5: Solve for x
    x = 1,048,389,028.64/36,128.17
  6. Step 6: Final answer
    x = 29,018.60

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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.