Home / 53,872.72-80,809.11-14,428.83

Finding the Fourth Proportional to 53,872.72, 80,809.11 and 14,428.83

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Solution

The fourth proportional to 53,872.72, 80,809.11 and 14,428.83 is: 21,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,872.72 : 80,809.11 = 14,428.83 : x
  2. Step 2: Convert to fraction form
    53,872.72/80,809.11 = 14,428.83/x
  3. Step 3: Cross multiply
    53,872.72x = 80,809.11 × 14,428.83
  4. Step 4: Simplify right side
    53,872.72x = 1,165,980,910.64
  5. Step 5: Solve for x
    x = 1,165,980,910.64/53,872.72
  6. Step 6: Final answer
    x = 21,643.25

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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.