Home / 53,952.42-80,904.36-20,649.18

Finding the Fourth Proportional to 53,952.42, 80,904.36 and 20,649.18

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Solution

The fourth proportional to 53,952.42, 80,904.36 and 20,649.18 is: 30,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,952.42 : 80,904.36 = 20,649.18 : x
  2. Step 2: Convert to fraction form
    53,952.42/80,904.36 = 20,649.18/x
  3. Step 3: Cross multiply
    53,952.42x = 80,904.36 × 20,649.18
  4. Step 4: Simplify right side
    53,952.42x = 1,670,608,692.42
  5. Step 5: Solve for x
    x = 1,670,608,692.42/53,952.42
  6. Step 6: Final answer
    x = 30,964.48

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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.