Home / 56,003.49-84,000.53-18,551.31

Finding the Fourth Proportional to 56,003.49, 84,000.53 and 18,551.31

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Solution

The fourth proportional to 56,003.49, 84,000.53 and 18,551.31 is: 27,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,003.49 : 84,000.53 = 18,551.31 : x
  2. Step 2: Convert to fraction form
    56,003.49/84,000.53 = 18,551.31/x
  3. Step 3: Cross multiply
    56,003.49x = 84,000.53 × 18,551.31
  4. Step 4: Simplify right side
    56,003.49x = 1,558,319,779.44
  5. Step 5: Solve for x
    x = 1,558,319,779.44/56,003.49
  6. Step 6: Final answer
    x = 27,825.40

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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.