Home / 38,061.49-57,097.70-11,768.28

Finding the Fourth Proportional to 38,061.49, 57,097.70 and 11,768.28

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Solution

The fourth proportional to 38,061.49, 57,097.70 and 11,768.28 is: 17,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,061.49 : 57,097.70 = 11,768.28 : x
  2. Step 2: Convert to fraction form
    38,061.49/57,097.70 = 11,768.28/x
  3. Step 3: Cross multiply
    38,061.49x = 57,097.70 × 11,768.28
  4. Step 4: Simplify right side
    38,061.49x = 671,941,720.96
  5. Step 5: Solve for x
    x = 671,941,720.96/38,061.49
  6. Step 6: Final answer
    x = 17,654.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.