Home / 40,204.11-55,417.59-31,692.36

Finding the Fourth Proportional to 40,204.11, 55,417.59 and 31,692.36

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Solution

The fourth proportional to 40,204.11, 55,417.59 and 31,692.36 is: 43,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,204.11 : 55,417.59 = 31,692.36 : x
  2. Step 2: Convert to fraction form
    40,204.11/55,417.59 = 31,692.36/x
  3. Step 3: Cross multiply
    40,204.11x = 55,417.59 × 31,692.36
  4. Step 4: Simplify right side
    40,204.11x = 1,756,314,212.61
  5. Step 5: Solve for x
    x = 1,756,314,212.61/40,204.11
  6. Step 6: Final answer
    x = 43,684.94

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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.