Home / 53,680.96-80,521.44-14,239.72

Finding the Fourth Proportional to 53,680.96, 80,521.44 and 14,239.72

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Solution

The fourth proportional to 53,680.96, 80,521.44 and 14,239.72 is: 21,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,680.96 : 80,521.44 = 14,239.72 : x
  2. Step 2: Convert to fraction form
    53,680.96/80,521.44 = 14,239.72/x
  3. Step 3: Cross multiply
    53,680.96x = 80,521.44 × 14,239.72
  4. Step 4: Simplify right side
    53,680.96x = 1,146,602,759.60
  5. Step 5: Solve for x
    x = 1,146,602,759.60/53,680.96
  6. Step 6: Final answer
    x = 21,359.58

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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.