Home / 42,063.36-63,109.44-18,706.08

Finding the Fourth Proportional to 42,063.36, 63,109.44 and 18,706.08

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Solution

The fourth proportional to 42,063.36, 63,109.44 and 18,706.08 is: 28,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,063.36 : 63,109.44 = 18,706.08 : x
  2. Step 2: Convert to fraction form
    42,063.36/63,109.44 = 18,706.08/x
  3. Step 3: Cross multiply
    42,063.36x = 63,109.44 × 18,706.08
  4. Step 4: Simplify right side
    42,063.36x = 1,180,530,233.40
  5. Step 5: Solve for x
    x = 1,180,530,233.40/42,063.36
  6. Step 6: Final answer
    x = 28,065.52

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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.