Home / 35,331.70-48,709.02-28,185.85

Finding the Fourth Proportional to 35,331.70, 48,709.02 and 28,185.85

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Solution

The fourth proportional to 35,331.70, 48,709.02 and 28,185.85 is: 38,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,331.70 : 48,709.02 = 28,185.85 : x
  2. Step 2: Convert to fraction form
    35,331.70/48,709.02 = 28,185.85/x
  3. Step 3: Cross multiply
    35,331.70x = 48,709.02 × 28,185.85
  4. Step 4: Simplify right side
    35,331.70x = 1,372,905,131.37
  5. Step 5: Solve for x
    x = 1,372,905,131.37/35,331.70
  6. Step 6: Final answer
    x = 38,857.60

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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.