Home / 60,118.21-90,189.62-20,670.20

Finding the Fourth Proportional to 60,118.21, 90,189.62 and 20,670.20

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Solution

The fourth proportional to 60,118.21, 90,189.62 and 20,670.20 is: 31,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,118.21 : 90,189.62 = 20,670.20 : x
  2. Step 2: Convert to fraction form
    60,118.21/90,189.62 = 20,670.20/x
  3. Step 3: Cross multiply
    60,118.21x = 90,189.62 × 20,670.20
  4. Step 4: Simplify right side
    60,118.21x = 1,864,237,344.75
  5. Step 5: Solve for x
    x = 1,864,237,344.75/60,118.21
  6. Step 6: Final answer
    x = 31,009.53

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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.