Home / 50,418.80-75,625.90-18,826.40

Finding the Fourth Proportional to 50,418.80, 75,625.90 and 18,826.40

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Solution

The fourth proportional to 50,418.80, 75,625.90 and 18,826.40 is: 28,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,418.80 : 75,625.90 = 18,826.40 : x
  2. Step 2: Convert to fraction form
    50,418.80/75,625.90 = 18,826.40/x
  3. Step 3: Cross multiply
    50,418.80x = 75,625.90 × 18,826.40
  4. Step 4: Simplify right side
    50,418.80x = 1,423,763,443.76
  5. Step 5: Solve for x
    x = 1,423,763,443.76/50,418.80
  6. Step 6: Final answer
    x = 28,238.74

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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.