Home / 53,354.72-80,032.08-30,123.92

Finding the Fourth Proportional to 53,354.72, 80,032.08 and 30,123.92

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Solution

The fourth proportional to 53,354.72, 80,032.08 and 30,123.92 is: 45,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,354.72 : 80,032.08 = 30,123.92 : x
  2. Step 2: Convert to fraction form
    53,354.72/80,032.08 = 30,123.92/x
  3. Step 3: Cross multiply
    53,354.72x = 80,032.08 × 30,123.92
  4. Step 4: Simplify right side
    53,354.72x = 2,410,879,975.35
  5. Step 5: Solve for x
    x = 2,410,879,975.35/53,354.72
  6. Step 6: Final answer
    x = 45,185.88

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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.