Home / 58,084.19-87,137.63-18,638.27

Finding the Fourth Proportional to 58,084.19, 87,137.63 and 18,638.27

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Solution

The fourth proportional to 58,084.19, 87,137.63 and 18,638.27 is: 27,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,084.19 : 87,137.63 = 18,638.27 : x
  2. Step 2: Convert to fraction form
    58,084.19/87,137.63 = 18,638.27/x
  3. Step 3: Cross multiply
    58,084.19x = 87,137.63 × 18,638.27
  4. Step 4: Simplify right side
    58,084.19x = 1,624,094,581.91
  5. Step 5: Solve for x
    x = 1,624,094,581.91/58,084.19
  6. Step 6: Final answer
    x = 27,961.04

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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.