Home / 30,575.21-45,950.30-15,003.77

Finding the Fourth Proportional to 30,575.21, 45,950.30 and 15,003.77

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Solution

The fourth proportional to 30,575.21, 45,950.30 and 15,003.77 is: 22,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575.21 : 45,950.30 = 15,003.77 : x
  2. Step 2: Convert to fraction form
    30,575.21/45,950.30 = 15,003.77/x
  3. Step 3: Cross multiply
    30,575.21x = 45,950.30 × 15,003.77
  4. Step 4: Simplify right side
    30,575.21x = 689,427,700.40
  5. Step 5: Solve for x
    x = 689,427,700.40/30,575.21
  6. Step 6: Final answer
    x = 22,548.58

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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.