Home / 34,779.75-47,996.06-19,875.75

Finding the Fourth Proportional to 34,779.75, 47,996.06 and 19,875.75

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Solution

The fourth proportional to 34,779.75, 47,996.06 and 19,875.75 is: 27,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.75 : 47,996.06 = 19,875.75 : x
  2. Step 2: Convert to fraction form
    34,779.75/47,996.06 = 19,875.75/x
  3. Step 3: Cross multiply
    34,779.75x = 47,996.06 × 19,875.75
  4. Step 4: Simplify right side
    34,779.75x = 953,957,590.17
  5. Step 5: Solve for x
    x = 953,957,590.17/34,779.75
  6. Step 6: Final answer
    x = 27,428.54

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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.