Home / 42,637.90-63,920.38-16,361.50

Finding the Fourth Proportional to 42,637.90, 63,920.38 and 16,361.50

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Solution

The fourth proportional to 42,637.90, 63,920.38 and 16,361.50 is: 24,528.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,637.90 : 63,920.38 = 16,361.50 : x
  2. Step 2: Convert to fraction form
    42,637.90/63,920.38 = 16,361.50/x
  3. Step 3: Cross multiply
    42,637.90x = 63,920.38 × 16,361.50
  4. Step 4: Simplify right side
    42,637.90x = 1,045,833,297.37
  5. Step 5: Solve for x
    x = 1,045,833,297.37/42,637.90
  6. Step 6: Final answer
    x = 24,528.26

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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.