Home / 53,813.13-80,702.54-17,782.87

Finding the Fourth Proportional to 53,813.13, 80,702.54 and 17,782.87

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Solution

The fourth proportional to 53,813.13, 80,702.54 and 17,782.87 is: 26,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.13 : 80,702.54 = 17,782.87 : x
  2. Step 2: Convert to fraction form
    53,813.13/80,702.54 = 17,782.87/x
  3. Step 3: Cross multiply
    53,813.13x = 80,702.54 × 17,782.87
  4. Step 4: Simplify right side
    53,813.13x = 1,435,123,013.55
  5. Step 5: Solve for x
    x = 1,435,123,013.55/53,813.13
  6. Step 6: Final answer
    x = 26,668.64

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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.