Home / 42,659.65-63,996.46-18,975.35

Finding the Fourth Proportional to 42,659.65, 63,996.46 and 18,975.35

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Solution

The fourth proportional to 42,659.65, 63,996.46 and 18,975.35 is: 28,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,659.65 : 63,996.46 = 18,975.35 : x
  2. Step 2: Convert to fraction form
    42,659.65/63,996.46 = 18,975.35/x
  3. Step 3: Cross multiply
    42,659.65x = 63,996.46 × 18,975.35
  4. Step 4: Simplify right side
    42,659.65x = 1,214,355,227.26
  5. Step 5: Solve for x
    x = 1,214,355,227.26/42,659.65
  6. Step 6: Final answer
    x = 28,466.13

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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.