Home / 54,461.65-81,697.51-21,184.24

Finding the Fourth Proportional to 54,461.65, 81,697.51 and 21,184.24

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Solution

The fourth proportional to 54,461.65, 81,697.51 and 21,184.24 is: 31,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,461.65 : 81,697.51 = 21,184.24 : x
  2. Step 2: Convert to fraction form
    54,461.65/81,697.51 = 21,184.24/x
  3. Step 3: Cross multiply
    54,461.65x = 81,697.51 × 21,184.24
  4. Step 4: Simplify right side
    54,461.65x = 1,730,699,659.24
  5. Step 5: Solve for x
    x = 1,730,699,659.24/54,461.65
  6. Step 6: Final answer
    x = 31,778.32

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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.