Home / 45,539.04-68,318.56-13,949.36

Finding the Fourth Proportional to 45,539.04, 68,318.56 and 13,949.36

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Solution

The fourth proportional to 45,539.04, 68,318.56 and 13,949.36 is: 20,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,539.04 : 68,318.56 = 13,949.36 : x
  2. Step 2: Convert to fraction form
    45,539.04/68,318.56 = 13,949.36/x
  3. Step 3: Cross multiply
    45,539.04x = 68,318.56 × 13,949.36
  4. Step 4: Simplify right side
    45,539.04x = 953,000,188.12
  5. Step 5: Solve for x
    x = 953,000,188.12/45,539.04
  6. Step 6: Final answer
    x = 20,927.10

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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.