Home / 38,219.45-52,741.06-21,224.77

Finding the Fourth Proportional to 38,219.45, 52,741.06 and 21,224.77

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Solution

The fourth proportional to 38,219.45, 52,741.06 and 21,224.77 is: 29,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.45 : 52,741.06 = 21,224.77 : x
  2. Step 2: Convert to fraction form
    38,219.45/52,741.06 = 21,224.77/x
  3. Step 3: Cross multiply
    38,219.45x = 52,741.06 × 21,224.77
  4. Step 4: Simplify right side
    38,219.45x = 1,119,416,683.14
  5. Step 5: Solve for x
    x = 1,119,416,683.14/38,219.45
  6. Step 6: Final answer
    x = 29,289.19

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Double scale
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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.