Home / 56,207.17-84,292.12-18,756.82

Finding the Fourth Proportional to 56,207.17, 84,292.12 and 18,756.82

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Solution

The fourth proportional to 56,207.17, 84,292.12 and 18,756.82 is: 28,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.17 : 84,292.12 = 18,756.82 : x
  2. Step 2: Convert to fraction form
    56,207.17/84,292.12 = 18,756.82/x
  3. Step 3: Cross multiply
    56,207.17x = 84,292.12 × 18,756.82
  4. Step 4: Simplify right side
    56,207.17x = 1,581,052,122.26
  5. Step 5: Solve for x
    x = 1,581,052,122.26/56,207.17
  6. Step 6: Final answer
    x = 28,129.01

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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.