Home / 45,159.75-67,739.67-18,850.14

Finding the Fourth Proportional to 45,159.75, 67,739.67 and 18,850.14

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Solution

The fourth proportional to 45,159.75, 67,739.67 and 18,850.14 is: 28,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,159.75 : 67,739.67 = 18,850.14 : x
  2. Step 2: Convert to fraction form
    45,159.75/67,739.67 = 18,850.14/x
  3. Step 3: Cross multiply
    45,159.75x = 67,739.67 × 18,850.14
  4. Step 4: Simplify right side
    45,159.75x = 1,276,902,263.05
  5. Step 5: Solve for x
    x = 1,276,902,263.05/45,159.75
  6. Step 6: Final answer
    x = 28,275.23

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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.