Home / 30,341.36-45,508.26-8,156.54

Finding the Fourth Proportional to 30,341.36, 45,508.26 and 8,156.54

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Solution

The fourth proportional to 30,341.36, 45,508.26 and 8,156.54 is: 12,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.36 : 45,508.26 = 8,156.54 : x
  2. Step 2: Convert to fraction form
    30,341.36/45,508.26 = 8,156.54/x
  3. Step 3: Cross multiply
    30,341.36x = 45,508.26 × 8,156.54
  4. Step 4: Simplify right side
    30,341.36x = 371,189,943.02
  5. Step 5: Solve for x
    x = 371,189,943.02/30,341.36
  6. Step 6: Final answer
    x = 12,233.79

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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.