Home / 57,424.49-79,247.51-31,581.69

Finding the Fourth Proportional to 57,424.49, 79,247.51 and 31,581.69

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Solution

The fourth proportional to 57,424.49, 79,247.51 and 31,581.69 is: 43,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,424.49 : 79,247.51 = 31,581.69 : x
  2. Step 2: Convert to fraction form
    57,424.49/79,247.51 = 31,581.69/x
  3. Step 3: Cross multiply
    57,424.49x = 79,247.51 × 31,581.69
  4. Step 4: Simplify right side
    57,424.49x = 2,502,770,294.09
  5. Step 5: Solve for x
    x = 2,502,770,294.09/57,424.49
  6. Step 6: Final answer
    x = 43,583.67

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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.