Home / 53,058.91-79,582.29-19,780.06

Finding the Fourth Proportional to 53,058.91, 79,582.29 and 19,780.06

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Solution

The fourth proportional to 53,058.91, 79,582.29 and 19,780.06 is: 29,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,058.91 : 79,582.29 = 19,780.06 : x
  2. Step 2: Convert to fraction form
    53,058.91/79,582.29 = 19,780.06/x
  3. Step 3: Cross multiply
    53,058.91x = 79,582.29 × 19,780.06
  4. Step 4: Simplify right side
    53,058.91x = 1,574,142,471.14
  5. Step 5: Solve for x
    x = 1,574,142,471.14/53,058.91
  6. Step 6: Final answer
    x = 29,667.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.