Home / 30,625.66-45,950.91-20,759.32

Finding the Fourth Proportional to 30,625.66, 45,950.91 and 20,759.32

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Solution

The fourth proportional to 30,625.66, 45,950.91 and 20,759.32 is: 31,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625.66 : 45,950.91 = 20,759.32 : x
  2. Step 2: Convert to fraction form
    30,625.66/45,950.91 = 20,759.32/x
  3. Step 3: Cross multiply
    30,625.66x = 45,950.91 × 20,759.32
  4. Step 4: Simplify right side
    30,625.66x = 953,909,644.98
  5. Step 5: Solve for x
    x = 953,909,644.98/30,625.66
  6. Step 6: Final answer
    x = 31,147.40

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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.