Home / 53,300.74-79,936.52-20,018.23

Finding the Fourth Proportional to 53,300.74, 79,936.52 and 20,018.23

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Solution

The fourth proportional to 53,300.74, 79,936.52 and 20,018.23 is: 30,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,300.74 : 79,936.52 = 20,018.23 : x
  2. Step 2: Convert to fraction form
    53,300.74/79,936.52 = 20,018.23/x
  3. Step 3: Cross multiply
    53,300.74x = 79,936.52 × 20,018.23
  4. Step 4: Simplify right side
    53,300.74x = 1,600,187,542.67
  5. Step 5: Solve for x
    x = 1,600,187,542.67/53,300.74
  6. Step 6: Final answer
    x = 30,021.86

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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.