Home / 39,155.28-58,735.08-15,779.04

Finding the Fourth Proportional to 39,155.28, 58,735.08 and 15,779.04

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Solution

The fourth proportional to 39,155.28, 58,735.08 and 15,779.04 is: 23,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155.28 : 58,735.08 = 15,779.04 : x
  2. Step 2: Convert to fraction form
    39,155.28/58,735.08 = 15,779.04/x
  3. Step 3: Cross multiply
    39,155.28x = 58,735.08 × 15,779.04
  4. Step 4: Simplify right side
    39,155.28x = 926,783,176.72
  5. Step 5: Solve for x
    x = 926,783,176.72/39,155.28
  6. Step 6: Final answer
    x = 23,669.43

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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.