Home / 58,039.49-87,071.78-18,057.71

Finding the Fourth Proportional to 58,039.49, 87,071.78 and 18,057.71

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Solution

The fourth proportional to 58,039.49, 87,071.78 and 18,057.71 is: 27,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,039.49 : 87,071.78 = 18,057.71 : x
  2. Step 2: Convert to fraction form
    58,039.49/87,071.78 = 18,057.71/x
  3. Step 3: Cross multiply
    58,039.49x = 87,071.78 × 18,057.71
  4. Step 4: Simplify right side
    58,039.49x = 1,572,317,215.25
  5. Step 5: Solve for x
    x = 1,572,317,215.25/58,039.49
  6. Step 6: Final answer
    x = 27,090.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.