Home / 29,355.92-40,501.28-16,771.76

Finding the Fourth Proportional to 29,355.92, 40,501.28 and 16,771.76

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Solution

The fourth proportional to 29,355.92, 40,501.28 and 16,771.76 is: 23,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,355.92 : 40,501.28 = 16,771.76 : x
  2. Step 2: Convert to fraction form
    29,355.92/40,501.28 = 16,771.76/x
  3. Step 3: Cross multiply
    29,355.92x = 40,501.28 × 16,771.76
  4. Step 4: Simplify right side
    29,355.92x = 679,277,747.85
  5. Step 5: Solve for x
    x = 679,277,747.85/29,355.92
  6. Step 6: Final answer
    x = 23,139.38

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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.