Home / 47,995.50-66,241.08-29,128.98

Finding the Fourth Proportional to 47,995.50, 66,241.08 and 29,128.98

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Solution

The fourth proportional to 47,995.50, 66,241.08 and 29,128.98 is: 40,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,995.50 : 66,241.08 = 29,128.98 : x
  2. Step 2: Convert to fraction form
    47,995.50/66,241.08 = 29,128.98/x
  3. Step 3: Cross multiply
    47,995.50x = 66,241.08 × 29,128.98
  4. Step 4: Simplify right side
    47,995.50x = 1,929,535,094.50
  5. Step 5: Solve for x
    x = 1,929,535,094.50/47,995.50
  6. Step 6: Final answer
    x = 40,202.42

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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.