Home / 57,302.34-79,077.36-31,809.08

Finding the Fourth Proportional to 57,302.34, 79,077.36 and 31,809.08

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Solution

The fourth proportional to 57,302.34, 79,077.36 and 31,809.08 is: 43,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,302.34 : 79,077.36 = 31,809.08 : x
  2. Step 2: Convert to fraction form
    57,302.34/79,077.36 = 31,809.08/x
  3. Step 3: Cross multiply
    57,302.34x = 79,077.36 × 31,809.08
  4. Step 4: Simplify right side
    57,302.34x = 2,515,378,070.43
  5. Step 5: Solve for x
    x = 2,515,378,070.43/57,302.34
  6. Step 6: Final answer
    x = 43,896.60

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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.