Home / 54,435.90-81,654.33-14,995.20

Finding the Fourth Proportional to 54,435.90, 81,654.33 and 14,995.20

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Solution

The fourth proportional to 54,435.90, 81,654.33 and 14,995.20 is: 22,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.90 : 81,654.33 = 14,995.20 : x
  2. Step 2: Convert to fraction form
    54,435.90/81,654.33 = 14,995.20/x
  3. Step 3: Cross multiply
    54,435.90x = 81,654.33 × 14,995.20
  4. Step 4: Simplify right side
    54,435.90x = 1,224,423,009.22
  5. Step 5: Solve for x
    x = 1,224,423,009.22/54,435.90
  6. Step 6: Final answer
    x = 22,492.93

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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.