Home / 40,484.85-55,832.89-25,379.16

Finding the Fourth Proportional to 40,484.85, 55,832.89 and 25,379.16

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Solution

The fourth proportional to 40,484.85, 55,832.89 and 25,379.16 is: 35,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,484.85 : 55,832.89 = 25,379.16 : x
  2. Step 2: Convert to fraction form
    40,484.85/55,832.89 = 25,379.16/x
  3. Step 3: Cross multiply
    40,484.85x = 55,832.89 × 25,379.16
  4. Step 4: Simplify right side
    40,484.85x = 1,416,991,848.57
  5. Step 5: Solve for x
    x = 1,416,991,848.57/40,484.85
  6. Step 6: Final answer
    x = 35,000.55

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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.