Home / 34,246.40-51,337.20-20,217.20

Finding the Fourth Proportional to 34,246.40, 51,337.20 and 20,217.20

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Solution

The fourth proportional to 34,246.40, 51,337.20 and 20,217.20 is: 30,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,246.40 : 51,337.20 = 20,217.20 : x
  2. Step 2: Convert to fraction form
    34,246.40/51,337.20 = 20,217.20/x
  3. Step 3: Cross multiply
    34,246.40x = 51,337.20 × 20,217.20
  4. Step 4: Simplify right side
    34,246.40x = 1,037,894,439.84
  5. Step 5: Solve for x
    x = 1,037,894,439.84/34,246.40
  6. Step 6: Final answer
    x = 30,306.67

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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.