Home / 39,597.95-54,645.24-21,692.57

Finding the Fourth Proportional to 39,597.95, 54,645.24 and 21,692.57

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Solution

The fourth proportional to 39,597.95, 54,645.24 and 21,692.57 is: 29,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597.95 : 54,645.24 = 21,692.57 : x
  2. Step 2: Convert to fraction form
    39,597.95/54,645.24 = 21,692.57/x
  3. Step 3: Cross multiply
    39,597.95x = 54,645.24 × 21,692.57
  4. Step 4: Simplify right side
    39,597.95x = 1,185,395,312.18
  5. Step 5: Solve for x
    x = 1,185,395,312.18/39,597.95
  6. Step 6: Final answer
    x = 29,935.77

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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.