Home / 45,692.40-68,538.60-38,434.80

Finding the Fourth Proportional to 45,692.40, 68,538.60 and 38,434.80

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Solution

The fourth proportional to 45,692.40, 68,538.60 and 38,434.80 is: 57,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,692.40 : 68,538.60 = 38,434.80 : x
  2. Step 2: Convert to fraction form
    45,692.40/68,538.60 = 38,434.80/x
  3. Step 3: Cross multiply
    45,692.40x = 68,538.60 × 38,434.80
  4. Step 4: Simplify right side
    45,692.40x = 2,634,267,383.28
  5. Step 5: Solve for x
    x = 2,634,267,383.28/45,692.40
  6. Step 6: Final answer
    x = 57,652.20

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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.