Home / 57,256.74-79,018.34-31,765.57

Finding the Fourth Proportional to 57,256.74, 79,018.34 and 31,765.57

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Solution

The fourth proportional to 57,256.74, 79,018.34 and 31,765.57 is: 43,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,256.74 : 79,018.34 = 31,765.57 : x
  2. Step 2: Convert to fraction form
    57,256.74/79,018.34 = 31,765.57/x
  3. Step 3: Cross multiply
    57,256.74x = 79,018.34 × 31,765.57
  4. Step 4: Simplify right side
    57,256.74x = 2,510,062,254.18
  5. Step 5: Solve for x
    x = 2,510,062,254.18/57,256.74
  6. Step 6: Final answer
    x = 43,838.72

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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.