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Finding the Fourth Proportional to 32,692.72, 45,114.78 and 18,548.32

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Solution

The fourth proportional to 32,692.72, 45,114.78 and 18,548.32 is: 25,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,692.72 : 45,114.78 = 18,548.32 : x
  2. Step 2: Convert to fraction form
    32,692.72/45,114.78 = 18,548.32/x
  3. Step 3: Cross multiply
    32,692.72x = 45,114.78 × 18,548.32
  4. Step 4: Simplify right side
    32,692.72x = 836,803,376.17
  5. Step 5: Solve for x
    x = 836,803,376.17/32,692.72
  6. Step 6: Final answer
    x = 25,596.02

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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.