Home / 76,014.16-114,021.24-20,610.16

Finding the Fourth Proportional to 76,014.16, 114,021.24 and 20,610.16

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Solution

The fourth proportional to 76,014.16, 114,021.24 and 20,610.16 is: 30,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,014.16 : 114,021.24 = 20,610.16 : x
  2. Step 2: Convert to fraction form
    76,014.16/114,021.24 = 20,610.16/x
  3. Step 3: Cross multiply
    76,014.16x = 114,021.24 × 20,610.16
  4. Step 4: Simplify right side
    76,014.16x = 2,349,995,999.80
  5. Step 5: Solve for x
    x = 2,349,995,999.80/76,014.16
  6. Step 6: Final answer
    x = 30,915.24

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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.