Home / 42,083.45-63,080.79-13,995.99

Finding the Fourth Proportional to 42,083.45, 63,080.79 and 13,995.99

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Solution

The fourth proportional to 42,083.45, 63,080.79 and 13,995.99 is: 20,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,083.45 : 63,080.79 = 13,995.99 : x
  2. Step 2: Convert to fraction form
    42,083.45/63,080.79 = 13,995.99/x
  3. Step 3: Cross multiply
    42,083.45x = 63,080.79 × 13,995.99
  4. Step 4: Simplify right side
    42,083.45x = 882,877,790.63
  5. Step 5: Solve for x
    x = 882,877,790.63/42,083.45
  6. Step 6: Final answer
    x = 20,979.22

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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.