Home / 52,928.52-79,342.24-19,639.68

Finding the Fourth Proportional to 52,928.52, 79,342.24 and 19,639.68

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Solution

The fourth proportional to 52,928.52, 79,342.24 and 19,639.68 is: 29,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,928.52 : 79,342.24 = 19,639.68 : x
  2. Step 2: Convert to fraction form
    52,928.52/79,342.24 = 19,639.68/x
  3. Step 3: Cross multiply
    52,928.52x = 79,342.24 × 19,639.68
  4. Step 4: Simplify right side
    52,928.52x = 1,558,256,204.08
  5. Step 5: Solve for x
    x = 1,558,256,204.08/52,928.52
  6. Step 6: Final answer
    x = 29,440.77

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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.