Home / 56,358.18-84,546.90-18,921.87

Finding the Fourth Proportional to 56,358.18, 84,546.90 and 18,921.87

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Solution

The fourth proportional to 56,358.18, 84,546.90 and 18,921.87 is: 28,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.18 : 84,546.90 = 18,921.87 : x
  2. Step 2: Convert to fraction form
    56,358.18/84,546.90 = 18,921.87/x
  3. Step 3: Cross multiply
    56,358.18x = 84,546.90 × 18,921.87
  4. Step 4: Simplify right side
    56,358.18x = 1,599,785,450.70
  5. Step 5: Solve for x
    x = 1,599,785,450.70/56,358.18
  6. Step 6: Final answer
    x = 28,386.04

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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.