Home / 39,510.92-59,235.42-19,779.56

Finding the Fourth Proportional to 39,510.92, 59,235.42 and 19,779.56

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Solution

The fourth proportional to 39,510.92, 59,235.42 and 19,779.56 is: 29,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,510.92 : 59,235.42 = 19,779.56 : x
  2. Step 2: Convert to fraction form
    39,510.92/59,235.42 = 19,779.56/x
  3. Step 3: Cross multiply
    39,510.92x = 59,235.42 × 19,779.56
  4. Step 4: Simplify right side
    39,510.92x = 1,171,650,544.02
  5. Step 5: Solve for x
    x = 1,171,650,544.02/39,510.92
  6. Step 6: Final answer
    x = 29,653.84

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1.5x scale

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.