Home / 38,201.70-52,715.99-21,204.93

Finding the Fourth Proportional to 38,201.70, 52,715.99 and 21,204.93

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Solution

The fourth proportional to 38,201.70, 52,715.99 and 21,204.93 is: 29,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.70 : 52,715.99 = 21,204.93 : x
  2. Step 2: Convert to fraction form
    38,201.70/52,715.99 = 21,204.93/x
  3. Step 3: Cross multiply
    38,201.70x = 52,715.99 × 21,204.93
  4. Step 4: Simplify right side
    38,201.70x = 1,117,838,771.81
  5. Step 5: Solve for x
    x = 1,117,838,771.81/38,201.70
  6. Step 6: Final answer
    x = 29,261.49

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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.