Home / 53,442.35-80,164.43-20,178.08

Finding the Fourth Proportional to 53,442.35, 80,164.43 and 20,178.08

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Solution

The fourth proportional to 53,442.35, 80,164.43 and 20,178.08 is: 30,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,442.35 : 80,164.43 = 20,178.08 : x
  2. Step 2: Convert to fraction form
    53,442.35/80,164.43 = 20,178.08/x
  3. Step 3: Cross multiply
    53,442.35x = 80,164.43 × 20,178.08
  4. Step 4: Simplify right side
    53,442.35x = 1,617,563,779.98
  5. Step 5: Solve for x
    x = 1,617,563,779.98/53,442.35
  6. Step 6: Final answer
    x = 30,267.46

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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.