Home / 38,983.29-53,796.95-21,078.29

Finding the Fourth Proportional to 38,983.29, 53,796.95 and 21,078.29

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Solution

The fourth proportional to 38,983.29, 53,796.95 and 21,078.29 is: 29,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,983.29 : 53,796.95 = 21,078.29 : x
  2. Step 2: Convert to fraction form
    38,983.29/53,796.95 = 21,078.29/x
  3. Step 3: Cross multiply
    38,983.29x = 53,796.95 × 21,078.29
  4. Step 4: Simplify right side
    38,983.29x = 1,133,947,713.22
  5. Step 5: Solve for x
    x = 1,133,947,713.22/38,983.29
  6. Step 6: Final answer
    x = 29,088.05

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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.