Home / 53,769.65-80,654.29-13,788.59

Finding the Fourth Proportional to 53,769.65, 80,654.29 and 13,788.59

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Solution

The fourth proportional to 53,769.65, 80,654.29 and 13,788.59 is: 20,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,769.65 : 80,654.29 = 13,788.59 : x
  2. Step 2: Convert to fraction form
    53,769.65/80,654.29 = 13,788.59/x
  3. Step 3: Cross multiply
    53,769.65x = 80,654.29 × 13,788.59
  4. Step 4: Simplify right side
    53,769.65x = 1,112,108,498.81
  5. Step 5: Solve for x
    x = 1,112,108,498.81/53,769.65
  6. Step 6: Final answer
    x = 20,682.83

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1.5x scale

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.