Home / 33,015.60-49,510.64-18,986.00

Finding the Fourth Proportional to 33,015.60, 49,510.64 and 18,986.00

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Solution

The fourth proportional to 33,015.60, 49,510.64 and 18,986.00 is: 28,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.60 : 49,510.64 = 18,986.00 : x
  2. Step 2: Convert to fraction form
    33,015.60/49,510.64 = 18,986.00/x
  3. Step 3: Cross multiply
    33,015.60x = 49,510.64 × 18,986.00
  4. Step 4: Simplify right side
    33,015.60x = 940,008,810.95
  5. Step 5: Solve for x
    x = 940,008,810.95/33,015.60
  6. Step 6: Final answer
    x = 28,471.66

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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.