Home / 34,960.28-48,247.45-20,811.20

Finding the Fourth Proportional to 34,960.28, 48,247.45 and 20,811.20

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Solution

The fourth proportional to 34,960.28, 48,247.45 and 20,811.20 is: 28,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,960.28 : 48,247.45 = 20,811.20 : x
  2. Step 2: Convert to fraction form
    34,960.28/48,247.45 = 20,811.20/x
  3. Step 3: Cross multiply
    34,960.28x = 48,247.45 × 20,811.20
  4. Step 4: Simplify right side
    34,960.28x = 1,004,087,038.17
  5. Step 5: Solve for x
    x = 1,004,087,038.17/34,960.28
  6. Step 6: Final answer
    x = 28,720.80

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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.