Home / 38,225.86-52,749.88-21,231.19

Finding the Fourth Proportional to 38,225.86, 52,749.88 and 21,231.19

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Solution

The fourth proportional to 38,225.86, 52,749.88 and 21,231.19 is: 29,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,225.86 : 52,749.88 = 21,231.19 : x
  2. Step 2: Convert to fraction form
    38,225.86/52,749.88 = 21,231.19/x
  3. Step 3: Cross multiply
    38,225.86x = 52,749.88 × 21,231.19
  4. Step 4: Simplify right side
    38,225.86x = 1,119,942,737.62
  5. Step 5: Solve for x
    x = 1,119,942,737.62/38,225.86
  6. Step 6: Final answer
    x = 29,298.04

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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.