Home / 38,076.48-52,545.54-21,309.48

Finding the Fourth Proportional to 38,076.48, 52,545.54 and 21,309.48

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Solution

The fourth proportional to 38,076.48, 52,545.54 and 21,309.48 is: 29,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.48 : 52,545.54 = 21,309.48 : x
  2. Step 2: Convert to fraction form
    38,076.48/52,545.54 = 21,309.48/x
  3. Step 3: Cross multiply
    38,076.48x = 52,545.54 × 21,309.48
  4. Step 4: Simplify right side
    38,076.48x = 1,119,718,133.72
  5. Step 5: Solve for x
    x = 1,119,718,133.72/38,076.48
  6. Step 6: Final answer
    x = 29,407.08

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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.