Home / 50,621.10-75,931.65-13,181.07

Finding the Fourth Proportional to 50,621.10, 75,931.65 and 13,181.07

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Solution

The fourth proportional to 50,621.10, 75,931.65 and 13,181.07 is: 19,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,621.10 : 75,931.65 = 13,181.07 : x
  2. Step 2: Convert to fraction form
    50,621.10/75,931.65 = 13,181.07/x
  3. Step 3: Cross multiply
    50,621.10x = 75,931.65 × 13,181.07
  4. Step 4: Simplify right side
    50,621.10x = 1,000,860,393.87
  5. Step 5: Solve for x
    x = 1,000,860,393.87/50,621.10
  6. Step 6: Final answer
    x = 19,771.61

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Similar ratio
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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.