Home / 38,372.84-52,955.07-21,147.24

Finding the Fourth Proportional to 38,372.84, 52,955.07 and 21,147.24

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Solution

The fourth proportional to 38,372.84, 52,955.07 and 21,147.24 is: 29,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.84 : 52,955.07 = 21,147.24 : x
  2. Step 2: Convert to fraction form
    38,372.84/52,955.07 = 21,147.24/x
  3. Step 3: Cross multiply
    38,372.84x = 52,955.07 × 21,147.24
  4. Step 4: Simplify right side
    38,372.84x = 1,119,853,693.79
  5. Step 5: Solve for x
    x = 1,119,853,693.79/38,372.84
  6. Step 6: Final answer
    x = 29,183.50

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Half scale
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Double scale
Find fourth proportional to 38,373.84, 52,956.45 and 21,148.24
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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.