Home / 38,174.36-52,680.74-21,178.94

Finding the Fourth Proportional to 38,174.36, 52,680.74 and 21,178.94

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Solution

The fourth proportional to 38,174.36, 52,680.74 and 21,178.94 is: 29,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.36 : 52,680.74 = 21,178.94 : x
  2. Step 2: Convert to fraction form
    38,174.36/52,680.74 = 21,178.94/x
  3. Step 3: Cross multiply
    38,174.36x = 52,680.74 × 21,178.94
  4. Step 4: Simplify right side
    38,174.36x = 1,115,721,862.32
  5. Step 5: Solve for x
    x = 1,115,721,862.32/38,174.36
  6. Step 6: Final answer
    x = 29,227.00

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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.