Home / 29,918.77-41,288.89-16,490.51

Finding the Fourth Proportional to 29,918.77, 41,288.89 and 16,490.51

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Solution

The fourth proportional to 29,918.77, 41,288.89 and 16,490.51 is: 22,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,918.77 : 41,288.89 = 16,490.51 : x
  2. Step 2: Convert to fraction form
    29,918.77/41,288.89 = 16,490.51/x
  3. Step 3: Cross multiply
    29,918.77x = 41,288.89 × 16,490.51
  4. Step 4: Simplify right side
    29,918.77x = 680,874,907.64
  5. Step 5: Solve for x
    x = 680,874,907.64/29,918.77
  6. Step 6: Final answer
    x = 22,757.45

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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.