Home / 20,737.06-30,973.41-18,759.65

Finding the Fourth Proportional to 20,737.06, 30,973.41 and 18,759.65

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Solution

The fourth proportional to 20,737.06, 30,973.41 and 18,759.65 is: 28,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.06 : 30,973.41 = 18,759.65 : x
  2. Step 2: Convert to fraction form
    20,737.06/30,973.41 = 18,759.65/x
  3. Step 3: Cross multiply
    20,737.06x = 30,973.41 × 18,759.65
  4. Step 4: Simplify right side
    20,737.06x = 581,050,176.04
  5. Step 5: Solve for x
    x = 581,050,176.04/20,737.06
  6. Step 6: Final answer
    x = 28,019.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.