Home / 40,461.90-60,692.52-12,381.84

Finding the Fourth Proportional to 40,461.90, 60,692.52 and 12,381.84

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Solution

The fourth proportional to 40,461.90, 60,692.52 and 12,381.84 is: 18,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,461.90 : 60,692.52 = 12,381.84 : x
  2. Step 2: Convert to fraction form
    40,461.90/60,692.52 = 12,381.84/x
  3. Step 3: Cross multiply
    40,461.90x = 60,692.52 × 12,381.84
  4. Step 4: Simplify right side
    40,461.90x = 751,485,071.84
  5. Step 5: Solve for x
    x = 751,485,071.84/40,461.90
  6. Step 6: Final answer
    x = 18,572.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.