Home / 51,570.64-71,167.40-31,427.60

Finding the Fourth Proportional to 51,570.64, 71,167.40 and 31,427.60

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Solution

The fourth proportional to 51,570.64, 71,167.40 and 31,427.60 is: 43,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,570.64 : 71,167.40 = 31,427.60 : x
  2. Step 2: Convert to fraction form
    51,570.64/71,167.40 = 31,427.60/x
  3. Step 3: Cross multiply
    51,570.64x = 71,167.40 × 31,427.60
  4. Step 4: Simplify right side
    51,570.64x = 2,236,620,580.24
  5. Step 5: Solve for x
    x = 2,236,620,580.24/51,570.64
  6. Step 6: Final answer
    x = 43,370.04

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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.