Home / 56,344.07-77,755.71-30,850.03

Finding the Fourth Proportional to 56,344.07, 77,755.71 and 30,850.03

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Solution

The fourth proportional to 56,344.07, 77,755.71 and 30,850.03 is: 42,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,344.07 : 77,755.71 = 30,850.03 : x
  2. Step 2: Convert to fraction form
    56,344.07/77,755.71 = 30,850.03/x
  3. Step 3: Cross multiply
    56,344.07x = 77,755.71 × 30,850.03
  4. Step 4: Simplify right side
    56,344.07x = 2,398,765,740.87
  5. Step 5: Solve for x
    x = 2,398,765,740.87/56,344.07
  6. Step 6: Final answer
    x = 42,573.53

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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.