Home / 45,248.40-67,856.34-15,658.20

Finding the Fourth Proportional to 45,248.40, 67,856.34 and 15,658.20

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Solution

The fourth proportional to 45,248.40, 67,856.34 and 15,658.20 is: 23,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,248.40 : 67,856.34 = 15,658.20 : x
  2. Step 2: Convert to fraction form
    45,248.40/67,856.34 = 15,658.20/x
  3. Step 3: Cross multiply
    45,248.40x = 67,856.34 × 15,658.20
  4. Step 4: Simplify right side
    45,248.40x = 1,062,508,142.99
  5. Step 5: Solve for x
    x = 1,062,508,142.99/45,248.40
  6. Step 6: Final answer
    x = 23,481.67

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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.