Home / 53,331.68-80,005.08-17,780.96

Finding the Fourth Proportional to 53,331.68, 80,005.08 and 17,780.96

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Solution

The fourth proportional to 53,331.68, 80,005.08 and 17,780.96 is: 26,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,331.68 : 80,005.08 = 17,780.96 : x
  2. Step 2: Convert to fraction form
    53,331.68/80,005.08 = 17,780.96/x
  3. Step 3: Cross multiply
    53,331.68x = 80,005.08 × 17,780.96
  4. Step 4: Simplify right side
    53,331.68x = 1,422,567,127.28
  5. Step 5: Solve for x
    x = 1,422,567,127.28/53,331.68
  6. Step 6: Final answer
    x = 26,673.96

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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.