Home / 53,565.49-80,337.30-20,274.09

Finding the Fourth Proportional to 53,565.49, 80,337.30 and 20,274.09

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Solution

The fourth proportional to 53,565.49, 80,337.30 and 20,274.09 is: 30,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,565.49 : 80,337.30 = 20,274.09 : x
  2. Step 2: Convert to fraction form
    53,565.49/80,337.30 = 20,274.09/x
  3. Step 3: Cross multiply
    53,565.49x = 80,337.30 × 20,274.09
  4. Step 4: Simplify right side
    53,565.49x = 1,628,765,650.56
  5. Step 5: Solve for x
    x = 1,628,765,650.56/53,565.49
  6. Step 6: Final answer
    x = 30,407.00

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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.