Home / 37,901.52-56,779.38-21,211.02

Finding the Fourth Proportional to 37,901.52, 56,779.38 and 21,211.02

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Solution

The fourth proportional to 37,901.52, 56,779.38 and 21,211.02 is: 31,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,901.52 : 56,779.38 = 21,211.02 : x
  2. Step 2: Convert to fraction form
    37,901.52/56,779.38 = 21,211.02/x
  3. Step 3: Cross multiply
    37,901.52x = 56,779.38 × 21,211.02
  4. Step 4: Simplify right side
    37,901.52x = 1,204,348,564.77
  5. Step 5: Solve for x
    x = 1,204,348,564.77/37,901.52
  6. Step 6: Final answer
    x = 31,775.73

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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.