Home / 45,865.83-68,798.82-12,586.35

Finding the Fourth Proportional to 45,865.83, 68,798.82 and 12,586.35

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Solution

The fourth proportional to 45,865.83, 68,798.82 and 12,586.35 is: 18,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,865.83 : 68,798.82 = 12,586.35 : x
  2. Step 2: Convert to fraction form
    45,865.83/68,798.82 = 12,586.35/x
  3. Step 3: Cross multiply
    45,865.83x = 68,798.82 × 12,586.35
  4. Step 4: Simplify right side
    45,865.83x = 865,926,028.11
  5. Step 5: Solve for x
    x = 865,926,028.11/45,865.83
  6. Step 6: Final answer
    x = 18,879.55

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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.