Home / 58,768.29-81,099.42-31,911.84

Finding the Fourth Proportional to 58,768.29, 81,099.42 and 31,911.84

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Solution

The fourth proportional to 58,768.29, 81,099.42 and 31,911.84 is: 44,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,768.29 : 81,099.42 = 31,911.84 : x
  2. Step 2: Convert to fraction form
    58,768.29/81,099.42 = 31,911.84/x
  3. Step 3: Cross multiply
    58,768.29x = 81,099.42 × 31,911.84
  4. Step 4: Simplify right side
    58,768.29x = 2,588,031,715.13
  5. Step 5: Solve for x
    x = 2,588,031,715.13/58,768.29
  6. Step 6: Final answer
    x = 44,037.89

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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.