Home / 48,783.40-73,178.30-13,724.20

Finding the Fourth Proportional to 48,783.40, 73,178.30 and 13,724.20

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Solution

The fourth proportional to 48,783.40, 73,178.30 and 13,724.20 is: 20,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,783.40 : 73,178.30 = 13,724.20 : x
  2. Step 2: Convert to fraction form
    48,783.40/73,178.30 = 13,724.20/x
  3. Step 3: Cross multiply
    48,783.40x = 73,178.30 × 13,724.20
  4. Step 4: Simplify right side
    48,783.40x = 1,004,313,624.86
  5. Step 5: Solve for x
    x = 1,004,313,624.86/48,783.40
  6. Step 6: Final answer
    x = 20,587.20

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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.