Home / 32,385.18-44,692.23-19,638.78

Finding the Fourth Proportional to 32,385.18, 44,692.23 and 19,638.78

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Solution

The fourth proportional to 32,385.18, 44,692.23 and 19,638.78 is: 27,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,385.18 : 44,692.23 = 19,638.78 : x
  2. Step 2: Convert to fraction form
    32,385.18/44,692.23 = 19,638.78/x
  3. Step 3: Cross multiply
    32,385.18x = 44,692.23 × 19,638.78
  4. Step 4: Simplify right side
    32,385.18x = 877,700,872.68
  5. Step 5: Solve for x
    x = 877,700,872.68/32,385.18
  6. Step 6: Final answer
    x = 27,101.93

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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.