Home / 30,156.24-45,179.82-12,595.44

Finding the Fourth Proportional to 30,156.24, 45,179.82 and 12,595.44

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Solution

The fourth proportional to 30,156.24, 45,179.82 and 12,595.44 is: 18,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.24 : 45,179.82 = 12,595.44 : x
  2. Step 2: Convert to fraction form
    30,156.24/45,179.82 = 12,595.44/x
  3. Step 3: Cross multiply
    30,156.24x = 45,179.82 × 12,595.44
  4. Step 4: Simplify right side
    30,156.24x = 569,059,712.02
  5. Step 5: Solve for x
    x = 569,059,712.02/30,156.24
  6. Step 6: Final answer
    x = 18,870.38

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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.