Home / 56,401.75-84,607.85-18,451.23

Finding the Fourth Proportional to 56,401.75, 84,607.85 and 18,451.23

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Solution

The fourth proportional to 56,401.75, 84,607.85 and 18,451.23 is: 27,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.75 : 84,607.85 = 18,451.23 : x
  2. Step 2: Convert to fraction form
    56,401.75/84,607.85 = 18,451.23/x
  3. Step 3: Cross multiply
    56,401.75x = 84,607.85 × 18,451.23
  4. Step 4: Simplify right side
    56,401.75x = 1,561,118,900.16
  5. Step 5: Solve for x
    x = 1,561,118,900.16/56,401.75
  6. Step 6: Final answer
    x = 27,678.55

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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.