Home / 36,120.04-54,171.86-17,390.50

Finding the Fourth Proportional to 36,120.04, 54,171.86 and 17,390.50

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Solution

The fourth proportional to 36,120.04, 54,171.86 and 17,390.50 is: 26,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.04 : 54,171.86 = 17,390.50 : x
  2. Step 2: Convert to fraction form
    36,120.04/54,171.86 = 17,390.50/x
  3. Step 3: Cross multiply
    36,120.04x = 54,171.86 × 17,390.50
  4. Step 4: Simplify right side
    36,120.04x = 942,075,731.33
  5. Step 5: Solve for x
    x = 942,075,731.33/36,120.04
  6. Step 6: Final answer
    x = 26,081.80

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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.