Home / 39,017.70-58,484.97-20,278.86

Finding the Fourth Proportional to 39,017.70, 58,484.97 and 20,278.86

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Solution

The fourth proportional to 39,017.70, 58,484.97 and 20,278.86 is: 30,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,017.70 : 58,484.97 = 20,278.86 : x
  2. Step 2: Convert to fraction form
    39,017.70/58,484.97 = 20,278.86/x
  3. Step 3: Cross multiply
    39,017.70x = 58,484.97 × 20,278.86
  4. Step 4: Simplify right side
    39,017.70x = 1,186,008,299.42
  5. Step 5: Solve for x
    x = 1,186,008,299.42/39,017.70
  6. Step 6: Final answer
    x = 30,396.67

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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.