Home / 35,280.32-52,919.36-11,904.80

Finding the Fourth Proportional to 35,280.32, 52,919.36 and 11,904.80

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Solution

The fourth proportional to 35,280.32, 52,919.36 and 11,904.80 is: 17,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280.32 : 52,919.36 = 11,904.80 : x
  2. Step 2: Convert to fraction form
    35,280.32/52,919.36 = 11,904.80/x
  3. Step 3: Cross multiply
    35,280.32x = 52,919.36 × 11,904.80
  4. Step 4: Simplify right side
    35,280.32x = 629,994,396.93
  5. Step 5: Solve for x
    x = 629,994,396.93/35,280.32
  6. Step 6: Final answer
    x = 17,856.82

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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.