Home / 56,299.95-84,461.96-20,761.36

Finding the Fourth Proportional to 56,299.95, 84,461.96 and 20,761.36

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Solution

The fourth proportional to 56,299.95, 84,461.96 and 20,761.36 is: 31,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,299.95 : 84,461.96 = 20,761.36 : x
  2. Step 2: Convert to fraction form
    56,299.95/84,461.96 = 20,761.36/x
  3. Step 3: Cross multiply
    56,299.95x = 84,461.96 × 20,761.36
  4. Step 4: Simplify right side
    56,299.95x = 1,753,545,054.06
  5. Step 5: Solve for x
    x = 1,753,545,054.06/56,299.95
  6. Step 6: Final answer
    x = 31,146.48

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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.