Home / 54,339.63-81,500.10-14,359.05

Finding the Fourth Proportional to 54,339.63, 81,500.10 and 14,359.05

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Solution

The fourth proportional to 54,339.63, 81,500.10 and 14,359.05 is: 21,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.63 : 81,500.10 = 14,359.05 : x
  2. Step 2: Convert to fraction form
    54,339.63/81,500.10 = 14,359.05/x
  3. Step 3: Cross multiply
    54,339.63x = 81,500.10 × 14,359.05
  4. Step 4: Simplify right side
    54,339.63x = 1,170,264,010.91
  5. Step 5: Solve for x
    x = 1,170,264,010.91/54,339.63
  6. Step 6: Final answer
    x = 21,536.11

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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.