Home / 40,021.02-60,029.36-20,299.06

Finding the Fourth Proportional to 40,021.02, 60,029.36 and 20,299.06

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Solution

The fourth proportional to 40,021.02, 60,029.36 and 20,299.06 is: 30,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.02 : 60,029.36 = 20,299.06 : x
  2. Step 2: Convert to fraction form
    40,021.02/60,029.36 = 20,299.06/x
  3. Step 3: Cross multiply
    40,021.02x = 60,029.36 × 20,299.06
  4. Step 4: Simplify right side
    40,021.02x = 1,218,539,478.91
  5. Step 5: Solve for x
    x = 1,218,539,478.91/40,021.02
  6. Step 6: Final answer
    x = 30,447.49

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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.