Home / 45,666.12-68,505.63-14,078.75

Finding the Fourth Proportional to 45,666.12, 68,505.63 and 14,078.75

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Solution

The fourth proportional to 45,666.12, 68,505.63 and 14,078.75 is: 21,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,666.12 : 68,505.63 = 14,078.75 : x
  2. Step 2: Convert to fraction form
    45,666.12/68,505.63 = 14,078.75/x
  3. Step 3: Cross multiply
    45,666.12x = 68,505.63 × 14,078.75
  4. Step 4: Simplify right side
    45,666.12x = 964,473,552.73
  5. Step 5: Solve for x
    x = 964,473,552.73/45,666.12
  6. Step 6: Final answer
    x = 21,120.11

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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.