Home / 52,730.40-79,095.60-21,558.36

Finding the Fourth Proportional to 52,730.40, 79,095.60 and 21,558.36

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Solution

The fourth proportional to 52,730.40, 79,095.60 and 21,558.36 is: 32,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,730.40 : 79,095.60 = 21,558.36 : x
  2. Step 2: Convert to fraction form
    52,730.40/79,095.60 = 21,558.36/x
  3. Step 3: Cross multiply
    52,730.40x = 79,095.60 × 21,558.36
  4. Step 4: Simplify right side
    52,730.40x = 1,705,171,419.22
  5. Step 5: Solve for x
    x = 1,705,171,419.22/52,730.40
  6. Step 6: Final answer
    x = 32,337.54

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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.