Home / 36,071.28-54,101.45-12,692.25

Finding the Fourth Proportional to 36,071.28, 54,101.45 and 12,692.25

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Solution

The fourth proportional to 36,071.28, 54,101.45 and 12,692.25 is: 19,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.28 : 54,101.45 = 12,692.25 : x
  2. Step 2: Convert to fraction form
    36,071.28/54,101.45 = 12,692.25/x
  3. Step 3: Cross multiply
    36,071.28x = 54,101.45 × 12,692.25
  4. Step 4: Simplify right side
    36,071.28x = 686,669,160.49
  5. Step 5: Solve for x
    x = 686,669,160.49/36,071.28
  6. Step 6: Final answer
    x = 19,036.45

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1.5x scale

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.