Home / 53,576.98-80,366.08-20,288.01

Finding the Fourth Proportional to 53,576.98, 80,366.08 and 20,288.01

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Solution

The fourth proportional to 53,576.98, 80,366.08 and 20,288.01 is: 30,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,576.98 : 80,366.08 = 20,288.01 : x
  2. Step 2: Convert to fraction form
    53,576.98/80,366.08 = 20,288.01/x
  3. Step 3: Cross multiply
    53,576.98x = 80,366.08 × 20,288.01
  4. Step 4: Simplify right side
    53,576.98x = 1,630,467,432.87
  5. Step 5: Solve for x
    x = 1,630,467,432.87/53,576.98
  6. Step 6: Final answer
    x = 30,432.24

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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.