Home / 45,387.73-68,081.56-13,798.05

Finding the Fourth Proportional to 45,387.73, 68,081.56 and 13,798.05

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Solution

The fourth proportional to 45,387.73, 68,081.56 and 13,798.05 is: 20,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,387.73 : 68,081.56 = 13,798.05 : x
  2. Step 2: Convert to fraction form
    45,387.73/68,081.56 = 13,798.05/x
  3. Step 3: Cross multiply
    45,387.73x = 68,081.56 × 13,798.05
  4. Step 4: Simplify right side
    45,387.73x = 939,392,768.96
  5. Step 5: Solve for x
    x = 939,392,768.96/45,387.73
  6. Step 6: Final answer
    x = 20,697.06

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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.