Home / 60,448.24-90,648.61-20,456.21

Finding the Fourth Proportional to 60,448.24, 90,648.61 and 20,456.21

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Solution

The fourth proportional to 60,448.24, 90,648.61 and 20,456.21 is: 30,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,448.24 : 90,648.61 = 20,456.21 : x
  2. Step 2: Convert to fraction form
    60,448.24/90,648.61 = 20,456.21/x
  3. Step 3: Cross multiply
    60,448.24x = 90,648.61 × 20,456.21
  4. Step 4: Simplify right side
    60,448.24x = 1,854,327,002.37
  5. Step 5: Solve for x
    x = 1,854,327,002.37/60,448.24
  6. Step 6: Final answer
    x = 30,676.28

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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.