Home / 35,267.79-48,692.35-21,853.28

Finding the Fourth Proportional to 35,267.79, 48,692.35 and 21,853.28

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Solution

The fourth proportional to 35,267.79, 48,692.35 and 21,853.28 is: 30,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,267.79 : 48,692.35 = 21,853.28 : x
  2. Step 2: Convert to fraction form
    35,267.79/48,692.35 = 21,853.28/x
  3. Step 3: Cross multiply
    35,267.79x = 48,692.35 × 21,853.28
  4. Step 4: Simplify right side
    35,267.79x = 1,064,087,558.41
  5. Step 5: Solve for x
    x = 1,064,087,558.41/35,267.79
  6. Step 6: Final answer
    x = 30,171.65

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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.