Home / 51,431.40-77,276.70-32,720.40

Finding the Fourth Proportional to 51,431.40, 77,276.70 and 32,720.40

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Solution

The fourth proportional to 51,431.40, 77,276.70 and 32,720.40 is: 49,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,431.40 : 77,276.70 = 32,720.40 : x
  2. Step 2: Convert to fraction form
    51,431.40/77,276.70 = 32,720.40/x
  3. Step 3: Cross multiply
    51,431.40x = 77,276.70 × 32,720.40
  4. Step 4: Simplify right side
    51,431.40x = 2,528,524,534.68
  5. Step 5: Solve for x
    x = 2,528,524,534.68/51,431.40
  6. Step 6: Final answer
    x = 49,163.05

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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.