Home / 56,467.20-84,830.40-38,971.20

Finding the Fourth Proportional to 56,467.20, 84,830.40 and 38,971.20

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Solution

The fourth proportional to 56,467.20, 84,830.40 and 38,971.20 is: 58,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,467.20 : 84,830.40 = 38,971.20 : x
  2. Step 2: Convert to fraction form
    56,467.20/84,830.40 = 38,971.20/x
  3. Step 3: Cross multiply
    56,467.20x = 84,830.40 × 38,971.20
  4. Step 4: Simplify right side
    56,467.20x = 3,305,942,484.48
  5. Step 5: Solve for x
    x = 3,305,942,484.48/56,467.20
  6. Step 6: Final answer
    x = 58,546.24

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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.