Home / 42,563.26-63,884.28-21,518.14

Finding the Fourth Proportional to 42,563.26, 63,884.28 and 21,518.14

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Solution

The fourth proportional to 42,563.26, 63,884.28 and 21,518.14 is: 32,297.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,563.26 : 63,884.28 = 21,518.14 : x
  2. Step 2: Convert to fraction form
    42,563.26/63,884.28 = 21,518.14/x
  3. Step 3: Cross multiply
    42,563.26x = 63,884.28 × 21,518.14
  4. Step 4: Simplify right side
    42,563.26x = 1,374,670,880.84
  5. Step 5: Solve for x
    x = 1,374,670,880.84/42,563.26
  6. Step 6: Final answer
    x = 32,297.12

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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.