Home / 56,200.60-84,333.30-21,165.40

Finding the Fourth Proportional to 56,200.60, 84,333.30 and 21,165.40

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Solution

The fourth proportional to 56,200.60, 84,333.30 and 21,165.40 is: 31,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,200.60 : 84,333.30 = 21,165.40 : x
  2. Step 2: Convert to fraction form
    56,200.60/84,333.30 = 21,165.40/x
  3. Step 3: Cross multiply
    56,200.60x = 84,333.30 × 21,165.40
  4. Step 4: Simplify right side
    56,200.60x = 1,784,948,027.82
  5. Step 5: Solve for x
    x = 1,784,948,027.82/56,200.60
  6. Step 6: Final answer
    x = 31,760.30

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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.