Home / 29,443.82-40,628.79-19,904.46

Finding the Fourth Proportional to 29,443.82, 40,628.79 and 19,904.46

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Solution

The fourth proportional to 29,443.82, 40,628.79 and 19,904.46 is: 27,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443.82 : 40,628.79 = 19,904.46 : x
  2. Step 2: Convert to fraction form
    29,443.82/40,628.79 = 19,904.46/x
  3. Step 3: Cross multiply
    29,443.82x = 40,628.79 × 19,904.46
  4. Step 4: Simplify right side
    29,443.82x = 808,693,822.74
  5. Step 5: Solve for x
    x = 808,693,822.74/29,443.82
  6. Step 6: Final answer
    x = 27,465.66

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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.