Home / 42,913.68-64,355.94-21,845.58

Finding the Fourth Proportional to 42,913.68, 64,355.94 and 21,845.58

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Solution

The fourth proportional to 42,913.68, 64,355.94 and 21,845.58 is: 32,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,913.68 : 64,355.94 = 21,845.58 : x
  2. Step 2: Convert to fraction form
    42,913.68/64,355.94 = 21,845.58/x
  3. Step 3: Cross multiply
    42,913.68x = 64,355.94 × 21,845.58
  4. Step 4: Simplify right side
    42,913.68x = 1,405,892,835.75
  5. Step 5: Solve for x
    x = 1,405,892,835.75/42,913.68
  6. Step 6: Final answer
    x = 32,760.95

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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.