Home / 54,214.72-81,312.93-14,771.90

Finding the Fourth Proportional to 54,214.72, 81,312.93 and 14,771.90

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Solution

The fourth proportional to 54,214.72, 81,312.93 and 14,771.90 is: 22,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,214.72 : 81,312.93 = 14,771.90 : x
  2. Step 2: Convert to fraction form
    54,214.72/81,312.93 = 14,771.90/x
  3. Step 3: Cross multiply
    54,214.72x = 81,312.93 × 14,771.90
  4. Step 4: Simplify right side
    54,214.72x = 1,201,146,673.95
  5. Step 5: Solve for x
    x = 1,201,146,673.95/54,214.72
  6. Step 6: Final answer
    x = 22,155.36

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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.