Home / 56,158.22-84,209.15-18,705.12

Finding the Fourth Proportional to 56,158.22, 84,209.15 and 18,705.12

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Solution

The fourth proportional to 56,158.22, 84,209.15 and 18,705.12 is: 28,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,158.22 : 84,209.15 = 18,705.12 : x
  2. Step 2: Convert to fraction form
    56,158.22/84,209.15 = 18,705.12/x
  3. Step 3: Cross multiply
    56,158.22x = 84,209.15 × 18,705.12
  4. Step 4: Simplify right side
    56,158.22x = 1,575,142,162.32
  5. Step 5: Solve for x
    x = 1,575,142,162.32/56,158.22
  6. Step 6: Final answer
    x = 28,048.29

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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.