Home / 38,237.34-52,765.74-21,242.68

Finding the Fourth Proportional to 38,237.34, 52,765.74 and 21,242.68

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Solution

The fourth proportional to 38,237.34, 52,765.74 and 21,242.68 is: 29,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,237.34 : 52,765.74 = 21,242.68 : x
  2. Step 2: Convert to fraction form
    38,237.34/52,765.74 = 21,242.68/x
  3. Step 3: Cross multiply
    38,237.34x = 52,765.74 × 21,242.68
  4. Step 4: Simplify right side
    38,237.34x = 1,120,885,729.78
  5. Step 5: Solve for x
    x = 1,120,885,729.78/38,237.34
  6. Step 6: Final answer
    x = 29,313.90

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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.