Home / 49,441.37-74,153.98-13,905.11

Finding the Fourth Proportional to 49,441.37, 74,153.98 and 13,905.11

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Solution

The fourth proportional to 49,441.37, 74,153.98 and 13,905.11 is: 20,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,441.37 : 74,153.98 = 13,905.11 : x
  2. Step 2: Convert to fraction form
    49,441.37/74,153.98 = 13,905.11/x
  3. Step 3: Cross multiply
    49,441.37x = 74,153.98 × 13,905.11
  4. Step 4: Simplify right side
    49,441.37x = 1,031,119,451.60
  5. Step 5: Solve for x
    x = 1,031,119,451.60/49,441.37
  6. Step 6: Final answer
    x = 20,855.40

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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.