Home / 20,549.60-30,825.77-5,759.10

Finding the Fourth Proportional to 20,549.60, 30,825.77 and 5,759.10

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Solution

The fourth proportional to 20,549.60, 30,825.77 and 5,759.10 is: 8,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.60 : 30,825.77 = 5,759.10 : x
  2. Step 2: Convert to fraction form
    20,549.60/30,825.77 = 5,759.10/x
  3. Step 3: Cross multiply
    20,549.60x = 30,825.77 × 5,759.10
  4. Step 4: Simplify right side
    20,549.60x = 177,528,663.21
  5. Step 5: Solve for x
    x = 177,528,663.21/20,549.60
  6. Step 6: Final answer
    x = 8,639.03

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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.