Home / 30,225.95-41,712.81-16,797.77

Finding the Fourth Proportional to 30,225.95, 41,712.81 and 16,797.77

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Solution

The fourth proportional to 30,225.95, 41,712.81 and 16,797.77 is: 23,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,225.95 : 41,712.81 = 16,797.77 : x
  2. Step 2: Convert to fraction form
    30,225.95/41,712.81 = 16,797.77/x
  3. Step 3: Cross multiply
    30,225.95x = 41,712.81 × 16,797.77
  4. Step 4: Simplify right side
    30,225.95x = 700,681,979.87
  5. Step 5: Solve for x
    x = 700,681,979.87/30,225.95
  6. Step 6: Final answer
    x = 23,181.47

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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.