Home / 33,130.16-49,665.08-21,287.16

Finding the Fourth Proportional to 33,130.16, 49,665.08 and 21,287.16

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Solution

The fourth proportional to 33,130.16, 49,665.08 and 21,287.16 is: 31,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.16 : 49,665.08 = 21,287.16 : x
  2. Step 2: Convert to fraction form
    33,130.16/49,665.08 = 21,287.16/x
  3. Step 3: Cross multiply
    33,130.16x = 49,665.08 × 21,287.16
  4. Step 4: Simplify right side
    33,130.16x = 1,057,228,504.37
  5. Step 5: Solve for x
    x = 1,057,228,504.37/33,130.16
  6. Step 6: Final answer
    x = 31,911.36

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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.