Home / 35,628.96-49,163.52-19,711.20

Finding the Fourth Proportional to 35,628.96, 49,163.52 and 19,711.20

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Solution

The fourth proportional to 35,628.96, 49,163.52 and 19,711.20 is: 27,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,628.96 : 49,163.52 = 19,711.20 : x
  2. Step 2: Convert to fraction form
    35,628.96/49,163.52 = 19,711.20/x
  3. Step 3: Cross multiply
    35,628.96x = 49,163.52 × 19,711.20
  4. Step 4: Simplify right side
    35,628.96x = 969,071,975.42
  5. Step 5: Solve for x
    x = 969,071,975.42/35,628.96
  6. Step 6: Final answer
    x = 27,199.00

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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.