Home / 54,353.83-81,529.93-18,841.00

Finding the Fourth Proportional to 54,353.83, 81,529.93 and 18,841.00

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Solution

The fourth proportional to 54,353.83, 81,529.93 and 18,841.00 is: 28,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.83 : 81,529.93 = 18,841.00 : x
  2. Step 2: Convert to fraction form
    54,353.83/81,529.93 = 18,841.00/x
  3. Step 3: Cross multiply
    54,353.83x = 81,529.93 × 18,841.00
  4. Step 4: Simplify right side
    54,353.83x = 1,536,105,160.20
  5. Step 5: Solve for x
    x = 1,536,105,160.20/54,353.83
  6. Step 6: Final answer
    x = 28,261.21

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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.