Home / 20,362.30-30,544.38-5,570.90

Finding the Fourth Proportional to 20,362.30, 30,544.38 and 5,570.90

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Solution

The fourth proportional to 20,362.30, 30,544.38 and 5,570.90 is: 8,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.30 : 30,544.38 = 5,570.90 : x
  2. Step 2: Convert to fraction form
    20,362.30/30,544.38 = 5,570.90/x
  3. Step 3: Cross multiply
    20,362.30x = 30,544.38 × 5,570.90
  4. Step 4: Simplify right side
    20,362.30x = 170,159,686.54
  5. Step 5: Solve for x
    x = 170,159,686.54/20,362.30
  6. Step 6: Final answer
    x = 8,356.60

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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.