Home / 53,667.42-80,498.54-20,384.88

Finding the Fourth Proportional to 53,667.42, 80,498.54 and 20,384.88

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Solution

The fourth proportional to 53,667.42, 80,498.54 and 20,384.88 is: 30,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,667.42 : 80,498.54 = 20,384.88 : x
  2. Step 2: Convert to fraction form
    53,667.42/80,498.54 = 20,384.88/x
  3. Step 3: Cross multiply
    53,667.42x = 80,498.54 × 20,384.88
  4. Step 4: Simplify right side
    53,667.42x = 1,640,953,078.08
  5. Step 5: Solve for x
    x = 1,640,953,078.08/53,667.42
  6. Step 6: Final answer
    x = 30,576.34

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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.