Home / 42,213.08-63,263.81-22,181.64

Finding the Fourth Proportional to 42,213.08, 63,263.81 and 22,181.64

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Solution

The fourth proportional to 42,213.08, 63,263.81 and 22,181.64 is: 33,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,213.08 : 63,263.81 = 22,181.64 : x
  2. Step 2: Convert to fraction form
    42,213.08/63,263.81 = 22,181.64/x
  3. Step 3: Cross multiply
    42,213.08x = 63,263.81 × 22,181.64
  4. Step 4: Simplify right side
    42,213.08x = 1,403,294,947.54
  5. Step 5: Solve for x
    x = 1,403,294,947.54/42,213.08
  6. Step 6: Final answer
    x = 33,243.13

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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.