Home / 34,779.45-47,998.02-19,672.12

Finding the Fourth Proportional to 34,779.45, 47,998.02 and 19,672.12

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Solution

The fourth proportional to 34,779.45, 47,998.02 and 19,672.12 is: 27,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.45 : 47,998.02 = 19,672.12 : x
  2. Step 2: Convert to fraction form
    34,779.45/47,998.02 = 19,672.12/x
  3. Step 3: Cross multiply
    34,779.45x = 47,998.02 × 19,672.12
  4. Step 4: Simplify right side
    34,779.45x = 944,222,809.20
  5. Step 5: Solve for x
    x = 944,222,809.20/34,779.45
  6. Step 6: Final answer
    x = 27,148.87

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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.