Home / 39,450.42-59,060.79-20,685.96

Finding the Fourth Proportional to 39,450.42, 59,060.79 and 20,685.96

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Solution

The fourth proportional to 39,450.42, 59,060.79 and 20,685.96 is: 30,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.42 : 59,060.79 = 20,685.96 : x
  2. Step 2: Convert to fraction form
    39,450.42/59,060.79 = 20,685.96/x
  3. Step 3: Cross multiply
    39,450.42x = 59,060.79 × 20,685.96
  4. Step 4: Simplify right side
    39,450.42x = 1,221,729,139.51
  5. Step 5: Solve for x
    x = 1,221,729,139.51/39,450.42
  6. Step 6: Final answer
    x = 30,968.72

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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.