Home / 38,945.95-58,418.92-9,363.78

Finding the Fourth Proportional to 38,945.95, 58,418.92 and 9,363.78

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Solution

The fourth proportional to 38,945.95, 58,418.92 and 9,363.78 is: 14,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.95 : 58,418.92 = 9,363.78 : x
  2. Step 2: Convert to fraction form
    38,945.95/58,418.92 = 9,363.78/x
  3. Step 3: Cross multiply
    38,945.95x = 58,418.92 × 9,363.78
  4. Step 4: Simplify right side
    38,945.95x = 547,022,008.57
  5. Step 5: Solve for x
    x = 547,022,008.57/38,945.95
  6. Step 6: Final answer
    x = 14,045.67

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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.