Home / 56,102.25-77,422.59-30,609.03

Finding the Fourth Proportional to 56,102.25, 77,422.59 and 30,609.03

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Solution

The fourth proportional to 56,102.25, 77,422.59 and 30,609.03 is: 42,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,102.25 : 77,422.59 = 30,609.03 : x
  2. Step 2: Convert to fraction form
    56,102.25/77,422.59 = 30,609.03/x
  3. Step 3: Cross multiply
    56,102.25x = 77,422.59 × 30,609.03
  4. Step 4: Simplify right side
    56,102.25x = 2,369,830,379.99
  5. Step 5: Solve for x
    x = 2,369,830,379.99/56,102.25
  6. Step 6: Final answer
    x = 42,241.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.