Home / 51,505.89-71,077.14-29,999.58

Finding the Fourth Proportional to 51,505.89, 71,077.14 and 29,999.58

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Solution

The fourth proportional to 51,505.89, 71,077.14 and 29,999.58 is: 41,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.89 : 71,077.14 = 29,999.58 : x
  2. Step 2: Convert to fraction form
    51,505.89/71,077.14 = 29,999.58/x
  3. Step 3: Cross multiply
    51,505.89x = 71,077.14 × 29,999.58
  4. Step 4: Simplify right side
    51,505.89x = 2,132,284,347.60
  5. Step 5: Solve for x
    x = 2,132,284,347.60/51,505.89
  6. Step 6: Final answer
    x = 41,398.84

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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.