Home / 56,265.03-84,403.91-18,830.07

Finding the Fourth Proportional to 56,265.03, 84,403.91 and 18,830.07

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Solution

The fourth proportional to 56,265.03, 84,403.91 and 18,830.07 is: 28,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,265.03 : 84,403.91 = 18,830.07 : x
  2. Step 2: Convert to fraction form
    56,265.03/84,403.91 = 18,830.07/x
  3. Step 3: Cross multiply
    56,265.03x = 84,403.91 × 18,830.07
  4. Step 4: Simplify right side
    56,265.03x = 1,589,331,439.42
  5. Step 5: Solve for x
    x = 1,589,331,439.42/56,265.03
  6. Step 6: Final answer
    x = 28,247.23

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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.