Home / 20,539.06-30,808.60-5,750.16

Finding the Fourth Proportional to 20,539.06, 30,808.60 and 5,750.16

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Solution

The fourth proportional to 20,539.06, 30,808.60 and 5,750.16 is: 8,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539.06 : 30,808.60 = 5,750.16 : x
  2. Step 2: Convert to fraction form
    20,539.06/30,808.60 = 5,750.16/x
  3. Step 3: Cross multiply
    20,539.06x = 30,808.60 × 5,750.16
  4. Step 4: Simplify right side
    20,539.06x = 177,154,386.56
  5. Step 5: Solve for x
    x = 177,154,386.56/20,539.06
  6. Step 6: Final answer
    x = 8,625.24

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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.