Home / 30,118.95-41,560.77-16,686.82

Finding the Fourth Proportional to 30,118.95, 41,560.77 and 16,686.82

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Solution

The fourth proportional to 30,118.95, 41,560.77 and 16,686.82 is: 23,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.95 : 41,560.77 = 16,686.82 : x
  2. Step 2: Convert to fraction form
    30,118.95/41,560.77 = 16,686.82/x
  3. Step 3: Cross multiply
    30,118.95x = 41,560.77 × 16,686.82
  4. Step 4: Simplify right side
    30,118.95x = 693,517,088.05
  5. Step 5: Solve for x
    x = 693,517,088.05/30,118.95
  6. Step 6: Final answer
    x = 23,025.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.