Home / 40,285.77-55,591.32-22,379.25

Finding the Fourth Proportional to 40,285.77, 55,591.32 and 22,379.25

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Solution

The fourth proportional to 40,285.77, 55,591.32 and 22,379.25 is: 30,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.77 : 55,591.32 = 22,379.25 : x
  2. Step 2: Convert to fraction form
    40,285.77/55,591.32 = 22,379.25/x
  3. Step 3: Cross multiply
    40,285.77x = 55,591.32 × 22,379.25
  4. Step 4: Simplify right side
    40,285.77x = 1,244,092,048.11
  5. Step 5: Solve for x
    x = 1,244,092,048.11/40,285.77
  6. Step 6: Final answer
    x = 30,881.67

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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.