Home / 67,039.65-92,438.90-42,808.75

Finding the Fourth Proportional to 67,039.65, 92,438.90 and 42,808.75

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Solution

The fourth proportional to 67,039.65, 92,438.90 and 42,808.75 is: 59,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,039.65 : 92,438.90 = 42,808.75 : x
  2. Step 2: Convert to fraction form
    67,039.65/92,438.90 = 42,808.75/x
  3. Step 3: Cross multiply
    67,039.65x = 92,438.90 × 42,808.75
  4. Step 4: Simplify right side
    67,039.65x = 3,957,193,902.68
  5. Step 5: Solve for x
    x = 3,957,193,902.68/67,039.65
  6. Step 6: Final answer
    x = 59,027.67

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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.