Home / 57,242.37-79,002.51-31,754.40

Finding the Fourth Proportional to 57,242.37, 79,002.51 and 31,754.40

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Solution

The fourth proportional to 57,242.37, 79,002.51 and 31,754.40 is: 43,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,242.37 : 79,002.51 = 31,754.40 : x
  2. Step 2: Convert to fraction form
    57,242.37/79,002.51 = 31,754.40/x
  3. Step 3: Cross multiply
    57,242.37x = 79,002.51 × 31,754.40
  4. Step 4: Simplify right side
    57,242.37x = 2,508,677,303.54
  5. Step 5: Solve for x
    x = 2,508,677,303.54/57,242.37
  6. Step 6: Final answer
    x = 43,825.53

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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.