Home / 37,517.56-51,779.12-21,602.68

Finding the Fourth Proportional to 37,517.56, 51,779.12 and 21,602.68

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Solution

The fourth proportional to 37,517.56, 51,779.12 and 21,602.68 is: 29,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,517.56 : 51,779.12 = 21,602.68 : x
  2. Step 2: Convert to fraction form
    37,517.56/51,779.12 = 21,602.68/x
  3. Step 3: Cross multiply
    37,517.56x = 51,779.12 × 21,602.68
  4. Step 4: Simplify right side
    37,517.56x = 1,118,567,760.04
  5. Step 5: Solve for x
    x = 1,118,567,760.04/37,517.56
  6. Step 6: Final answer
    x = 29,814.51

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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.