Home / 38,666.84-53,363.98-21,673.97

Finding the Fourth Proportional to 38,666.84, 53,363.98 and 21,673.97

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Solution

The fourth proportional to 38,666.84, 53,363.98 and 21,673.97 is: 29,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.84 : 53,363.98 = 21,673.97 : x
  2. Step 2: Convert to fraction form
    38,666.84/53,363.98 = 21,673.97/x
  3. Step 3: Cross multiply
    38,666.84x = 53,363.98 × 21,673.97
  4. Step 4: Simplify right side
    38,666.84x = 1,156,608,980.60
  5. Step 5: Solve for x
    x = 1,156,608,980.60/38,666.84
  6. Step 6: Final answer
    x = 29,912.17

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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.