Home / 35,128.40-52,692.60-34,437.20

Finding the Fourth Proportional to 35,128.40, 52,692.60 and 34,437.20

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Solution

The fourth proportional to 35,128.40, 52,692.60 and 34,437.20 is: 51,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.40 : 52,692.60 = 34,437.20 : x
  2. Step 2: Convert to fraction form
    35,128.40/52,692.60 = 34,437.20/x
  3. Step 3: Cross multiply
    35,128.40x = 52,692.60 × 34,437.20
  4. Step 4: Simplify right side
    35,128.40x = 1,814,585,604.72
  5. Step 5: Solve for x
    x = 1,814,585,604.72/35,128.40
  6. Step 6: Final answer
    x = 51,655.80

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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.