Home / 53,775.40-80,661.27-20,494.25

Finding the Fourth Proportional to 53,775.40, 80,661.27 and 20,494.25

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Solution

The fourth proportional to 53,775.40, 80,661.27 and 20,494.25 is: 30,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,775.40 : 80,661.27 = 20,494.25 : x
  2. Step 2: Convert to fraction form
    53,775.40/80,661.27 = 20,494.25/x
  3. Step 3: Cross multiply
    53,775.40x = 80,661.27 × 20,494.25
  4. Step 4: Simplify right side
    53,775.40x = 1,653,092,232.70
  5. Step 5: Solve for x
    x = 1,653,092,232.70/53,775.40
  6. Step 6: Final answer
    x = 30,740.68

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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.