Home / 34,779.95-47,998.71-19,672.62

Finding the Fourth Proportional to 34,779.95, 47,998.71 and 19,672.62

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Solution

The fourth proportional to 34,779.95, 47,998.71 and 19,672.62 is: 27,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.95 : 47,998.71 = 19,672.62 : x
  2. Step 2: Convert to fraction form
    34,779.95/47,998.71 = 19,672.62/x
  3. Step 3: Cross multiply
    34,779.95x = 47,998.71 × 19,672.62
  4. Step 4: Simplify right side
    34,779.95x = 944,260,382.32
  5. Step 5: Solve for x
    x = 944,260,382.32/34,779.95
  6. Step 6: Final answer
    x = 27,149.57

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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.