Home / 29,920.08-44,846.10-18,800.40

Finding the Fourth Proportional to 29,920.08, 44,846.10 and 18,800.40

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Solution

The fourth proportional to 29,920.08, 44,846.10 and 18,800.40 is: 28,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.08 : 44,846.10 = 18,800.40 : x
  2. Step 2: Convert to fraction form
    29,920.08/44,846.10 = 18,800.40/x
  3. Step 3: Cross multiply
    29,920.08x = 44,846.10 × 18,800.40
  4. Step 4: Simplify right side
    29,920.08x = 843,124,618.44
  5. Step 5: Solve for x
    x = 843,124,618.44/29,920.08
  6. Step 6: Final answer
    x = 28,179.22

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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.