Home / 60,131.42-90,171.74-18,017.49

Finding the Fourth Proportional to 60,131.42, 90,171.74 and 18,017.49

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Solution

The fourth proportional to 60,131.42, 90,171.74 and 18,017.49 is: 27,018.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,131.42 : 90,171.74 = 18,017.49 : x
  2. Step 2: Convert to fraction form
    60,131.42/90,171.74 = 18,017.49/x
  3. Step 3: Cross multiply
    60,131.42x = 90,171.74 × 18,017.49
  4. Step 4: Simplify right side
    60,131.42x = 1,624,668,333.65
  5. Step 5: Solve for x
    x = 1,624,668,333.65/60,131.42
  6. Step 6: Final answer
    x = 27,018.63

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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.