Home / 20,541.04-30,662.98-18,049.92

Finding the Fourth Proportional to 20,541.04, 30,662.98 and 18,049.92

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Solution

The fourth proportional to 20,541.04, 30,662.98 and 18,049.92 is: 26,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.04 : 30,662.98 = 18,049.92 : x
  2. Step 2: Convert to fraction form
    20,541.04/30,662.98 = 18,049.92/x
  3. Step 3: Cross multiply
    20,541.04x = 30,662.98 × 18,049.92
  4. Step 4: Simplify right side
    20,541.04x = 553,464,335.96
  5. Step 5: Solve for x
    x = 553,464,335.96/20,541.04
  6. Step 6: Final answer
    x = 26,944.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.