Home / 56,418.12-84,648.24-30,108.24

Finding the Fourth Proportional to 56,418.12, 84,648.24 and 30,108.24

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Solution

The fourth proportional to 56,418.12, 84,648.24 and 30,108.24 is: 45,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,418.12 : 84,648.24 = 30,108.24 : x
  2. Step 2: Convert to fraction form
    56,418.12/84,648.24 = 30,108.24/x
  3. Step 3: Cross multiply
    56,418.12x = 84,648.24 × 30,108.24
  4. Step 4: Simplify right side
    56,418.12x = 2,548,609,525.50
  5. Step 5: Solve for x
    x = 2,548,609,525.50/56,418.12
  6. Step 6: Final answer
    x = 45,173.60

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1.5x scale

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.