Home / 35,853.36-49,482.81-21,513.84

Finding the Fourth Proportional to 35,853.36, 49,482.81 and 21,513.84

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Solution

The fourth proportional to 35,853.36, 49,482.81 and 21,513.84 is: 29,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,853.36 : 49,482.81 = 21,513.84 : x
  2. Step 2: Convert to fraction form
    35,853.36/49,482.81 = 21,513.84/x
  3. Step 3: Cross multiply
    35,853.36x = 49,482.81 × 21,513.84
  4. Step 4: Simplify right side
    35,853.36x = 1,064,565,257.09
  5. Step 5: Solve for x
    x = 1,064,565,257.09/35,853.36
  6. Step 6: Final answer
    x = 29,692.20

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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.