Home / 39,950.42-59,908.07-21,226.05

Finding the Fourth Proportional to 39,950.42, 59,908.07 and 21,226.05

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Solution

The fourth proportional to 39,950.42, 59,908.07 and 21,226.05 is: 31,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.42 : 59,908.07 = 21,226.05 : x
  2. Step 2: Convert to fraction form
    39,950.42/59,908.07 = 21,226.05/x
  3. Step 3: Cross multiply
    39,950.42x = 59,908.07 × 21,226.05
  4. Step 4: Simplify right side
    39,950.42x = 1,271,611,742.29
  5. Step 5: Solve for x
    x = 1,271,611,742.29/39,950.42
  6. Step 6: Final answer
    x = 31,829.75

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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.