Home / 39,139.86-58,718.73-16,956.93

Finding the Fourth Proportional to 39,139.86, 58,718.73 and 16,956.93

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Solution

The fourth proportional to 39,139.86, 58,718.73 and 16,956.93 is: 25,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.86 : 58,718.73 = 16,956.93 : x
  2. Step 2: Convert to fraction form
    39,139.86/58,718.73 = 16,956.93/x
  3. Step 3: Cross multiply
    39,139.86x = 58,718.73 × 16,956.93
  4. Step 4: Simplify right side
    39,139.86x = 995,689,394.30
  5. Step 5: Solve for x
    x = 995,689,394.30/39,139.86
  6. Step 6: Final answer
    x = 25,439.27

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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.