Home / 57,394.07-79,168.06-39,457.94

Finding the Fourth Proportional to 57,394.07, 79,168.06 and 39,457.94

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Solution

The fourth proportional to 57,394.07, 79,168.06 and 39,457.94 is: 54,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,394.07 : 79,168.06 = 39,457.94 : x
  2. Step 2: Convert to fraction form
    57,394.07/79,168.06 = 39,457.94/x
  3. Step 3: Cross multiply
    57,394.07x = 79,168.06 × 39,457.94
  4. Step 4: Simplify right side
    57,394.07x = 3,123,808,561.40
  5. Step 5: Solve for x
    x = 3,123,808,561.40/57,394.07
  6. Step 6: Final answer
    x = 54,427.37

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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.