Home / 58,241.10-87,342.69-18,789

Finding the Fourth Proportional to 58,241.10, 87,342.69 and 18,789

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Solution

The fourth proportional to 58,241.10, 87,342.69 and 18,789 is: 28,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,241.10 : 87,342.69 = 18,789 : x
  2. Step 2: Convert to fraction form
    58,241.10/87,342.69 = 18,789/x
  3. Step 3: Cross multiply
    58,241.10x = 87,342.69 × 18,789
  4. Step 4: Simplify right side
    58,241.10x = 1,641,081,802.41
  5. Step 5: Solve for x
    x = 1,641,081,802.41/58,241.10
  6. Step 6: Final answer
    x = 28,177.38

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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.