Home / 37,871-56,539.40-28,939.16

Finding the Fourth Proportional to 37,871, 56,539.40 and 28,939.16

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Solution

The fourth proportional to 37,871, 56,539.40 and 28,939.16 is: 43,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,871 : 56,539.40 = 28,939.16 : x
  2. Step 2: Convert to fraction form
    37,871/56,539.40 = 28,939.16/x
  3. Step 3: Cross multiply
    37,871x = 56,539.40 × 28,939.16
  4. Step 4: Simplify right side
    37,871x = 1,636,202,742.90
  5. Step 5: Solve for x
    x = 1,636,202,742.90/37,871
  6. Step 6: Final answer
    x = 43,204.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.