Home / 57,422.47-79,233.40-31,928.12

Finding the Fourth Proportional to 57,422.47, 79,233.40 and 31,928.12

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Solution

The fourth proportional to 57,422.47, 79,233.40 and 31,928.12 is: 44,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,422.47 : 79,233.40 = 31,928.12 : x
  2. Step 2: Convert to fraction form
    57,422.47/79,233.40 = 31,928.12/x
  3. Step 3: Cross multiply
    57,422.47x = 79,233.40 × 31,928.12
  4. Step 4: Simplify right side
    57,422.47x = 2,529,773,503.21
  5. Step 5: Solve for x
    x = 2,529,773,503.21/57,422.47
  6. Step 6: Final answer
    x = 44,055.46

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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.