Home / 34,905.60-52,358.40-34,387.20

Finding the Fourth Proportional to 34,905.60, 52,358.40 and 34,387.20

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Solution

The fourth proportional to 34,905.60, 52,358.40 and 34,387.20 is: 51,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,905.60 : 52,358.40 = 34,387.20 : x
  2. Step 2: Convert to fraction form
    34,905.60/52,358.40 = 34,387.20/x
  3. Step 3: Cross multiply
    34,905.60x = 52,358.40 × 34,387.20
  4. Step 4: Simplify right side
    34,905.60x = 1,800,458,772.48
  5. Step 5: Solve for x
    x = 1,800,458,772.48/34,905.60
  6. Step 6: Final answer
    x = 51,580.80

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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.