Home / 56,419.12-84,649.74-30,109.24

Finding the Fourth Proportional to 56,419.12, 84,649.74 and 30,109.24

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Solution

The fourth proportional to 56,419.12, 84,649.74 and 30,109.24 is: 45,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,419.12 : 84,649.74 = 30,109.24 : x
  2. Step 2: Convert to fraction form
    56,419.12/84,649.74 = 30,109.24/x
  3. Step 3: Cross multiply
    56,419.12x = 84,649.74 × 30,109.24
  4. Step 4: Simplify right side
    56,419.12x = 2,548,739,337.60
  5. Step 5: Solve for x
    x = 2,548,739,337.60/56,419.12
  6. Step 6: Final answer
    x = 45,175.10

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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.