Home / 38,219.96-52,742.54-21,223.67

Finding the Fourth Proportional to 38,219.96, 52,742.54 and 21,223.67

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Solution

The fourth proportional to 38,219.96, 52,742.54 and 21,223.67 is: 29,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.96 : 52,742.54 = 21,223.67 : x
  2. Step 2: Convert to fraction form
    38,219.96/52,742.54 = 21,223.67/x
  3. Step 3: Cross multiply
    38,219.96x = 52,742.54 × 21,223.67
  4. Step 4: Simplify right side
    38,219.96x = 1,119,390,053.27
  5. Step 5: Solve for x
    x = 1,119,390,053.27/38,219.96
  6. Step 6: Final answer
    x = 29,288.10

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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.