Home / 39,108.91-54,014.85-26,511.79

Finding the Fourth Proportional to 39,108.91, 54,014.85 and 26,511.79

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Solution

The fourth proportional to 39,108.91, 54,014.85 and 26,511.79 is: 36,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.91 : 54,014.85 = 26,511.79 : x
  2. Step 2: Convert to fraction form
    39,108.91/54,014.85 = 26,511.79/x
  3. Step 3: Cross multiply
    39,108.91x = 54,014.85 × 26,511.79
  4. Step 4: Simplify right side
    39,108.91x = 1,432,030,227.52
  5. Step 5: Solve for x
    x = 1,432,030,227.52/39,108.91
  6. Step 6: Final answer
    x = 36,616.47

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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.