Home / 34,779.25-47,995.37-19,875.25

Finding the Fourth Proportional to 34,779.25, 47,995.37 and 19,875.25

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Solution

The fourth proportional to 34,779.25, 47,995.37 and 19,875.25 is: 27,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.25 : 47,995.37 = 19,875.25 : x
  2. Step 2: Convert to fraction form
    34,779.25/47,995.37 = 19,875.25/x
  3. Step 3: Cross multiply
    34,779.25x = 47,995.37 × 19,875.25
  4. Step 4: Simplify right side
    34,779.25x = 953,919,878.22
  5. Step 5: Solve for x
    x = 953,919,878.22/34,779.25
  6. Step 6: Final answer
    x = 27,427.85

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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.