Home / 29,204.80-40,306.36-19,141.76

Finding the Fourth Proportional to 29,204.80, 40,306.36 and 19,141.76

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Solution

The fourth proportional to 29,204.80, 40,306.36 and 19,141.76 is: 26,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,204.80 : 40,306.36 = 19,141.76 : x
  2. Step 2: Convert to fraction form
    29,204.80/40,306.36 = 19,141.76/x
  3. Step 3: Cross multiply
    29,204.80x = 40,306.36 × 19,141.76
  4. Step 4: Simplify right side
    29,204.80x = 771,534,669.59
  5. Step 5: Solve for x
    x = 771,534,669.59/29,204.80
  6. Step 6: Final answer
    x = 26,418.08

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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.