Home / 54,627.90-81,873.80-19,528.98

Finding the Fourth Proportional to 54,627.90, 81,873.80 and 19,528.98

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Solution

The fourth proportional to 54,627.90, 81,873.80 and 19,528.98 is: 29,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,627.90 : 81,873.80 = 19,528.98 : x
  2. Step 2: Convert to fraction form
    54,627.90/81,873.80 = 19,528.98/x
  3. Step 3: Cross multiply
    54,627.90x = 81,873.80 × 19,528.98
  4. Step 4: Simplify right side
    54,627.90x = 1,598,911,802.72
  5. Step 5: Solve for x
    x = 1,598,911,802.72/54,627.90
  6. Step 6: Final answer
    x = 29,269.14

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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.