Home / 51,261.68-76,855.61-31,499.40

Finding the Fourth Proportional to 51,261.68, 76,855.61 and 31,499.40

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Solution

The fourth proportional to 51,261.68, 76,855.61 and 31,499.40 is: 47,226.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.68 : 76,855.61 = 31,499.40 : x
  2. Step 2: Convert to fraction form
    51,261.68/76,855.61 = 31,499.40/x
  3. Step 3: Cross multiply
    51,261.68x = 76,855.61 × 31,499.40
  4. Step 4: Simplify right side
    51,261.68x = 2,420,905,444.14
  5. Step 5: Solve for x
    x = 2,420,905,444.14/51,261.68
  6. Step 6: Final answer
    x = 47,226.42

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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.