Home / 45,878.36-68,827.41-14,287.73

Finding the Fourth Proportional to 45,878.36, 68,827.41 and 14,287.73

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Solution

The fourth proportional to 45,878.36, 68,827.41 and 14,287.73 is: 21,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,878.36 : 68,827.41 = 14,287.73 : x
  2. Step 2: Convert to fraction form
    45,878.36/68,827.41 = 14,287.73/x
  3. Step 3: Cross multiply
    45,878.36x = 68,827.41 × 14,287.73
  4. Step 4: Simplify right side
    45,878.36x = 983,387,106.54
  5. Step 5: Solve for x
    x = 983,387,106.54/45,878.36
  6. Step 6: Final answer
    x = 21,434.66

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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.